| Portsmouth Rhode Island Weather Almanac |
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| Thursday,
June 12, 2025 |
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| Clear to
Partly Cloudy PM, Much Warmer |
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Climate
Normal Period |
Climate Record Period |
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1991 -
2020 |
1893 - 2025 |
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Jun 12 |
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Record |
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Record |
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| Observed Daily Data |
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2025 |
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2024 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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85 |
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76 |
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73 |
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+12 |
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88 |
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in |
1933 |
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56 |
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in |
2000 |
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| Minimum
Temperature |
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62 |
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56 |
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57 |
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+5 |
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68 |
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in |
1973 |
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42 |
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in |
1980 |
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| Average Temperature |
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74 |
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66 |
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65 |
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+9 |
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75 |
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in |
2017 |
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54 |
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in |
2000 |
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| Month Avg Max Temperature |
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74.1 |
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74.7 |
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71.1 |
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+3.0 |
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79.3 |
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in |
1925 |
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60.5 |
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in |
1907 |
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| Month Avg
Min Temperature |
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57.7 |
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57.2 |
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54.8 |
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+2.8 |
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60.5 |
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in |
2008 |
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46.9 |
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in |
1907 |
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| Month Average
Temperature |
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66.1 |
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66.3 |
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63.1 |
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+3.0 |
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69.3 |
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in |
1925 |
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53.8 |
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in |
1907 |
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| High
Heat Index |
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91 |
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77 |
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93 |
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in |
1933 |
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| Low Wind
Chill |
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39 |
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in |
1980 |
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| Heating Degree Days |
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0 |
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0 |
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2 |
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-2 |
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11 |
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in |
2000 |
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0 |
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in |
Many |
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| Month Heating DD |
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18 |
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4 |
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35 |
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-17 |
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134 |
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in |
1907 |
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2 |
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in |
1936 |
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| Season
Heating DD |
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5020 |
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4951 |
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5494 |
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-474 |
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6600 |
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in |
1905 |
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4403 |
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in |
1932 |
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| Cooling Degree Days |
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9 |
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1 |
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2 |
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+7 |
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10 |
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in |
2017 |
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0 |
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in |
All |
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| Month Cooling DD |
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31 |
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19 |
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15 |
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+16 |
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67 |
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in |
2008 |
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0 |
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in |
Many |
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| Year Cooling DD |
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31 |
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19 |
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15 |
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+16 |
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67 |
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in |
2008 |
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0 |
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in |
Many |
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| Maximum Dew Point |
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72 |
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64 |
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62 |
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+10 |
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72 |
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in |
2025 |
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44 |
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in |
1950 |
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| Minimum
Dew Point |
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48 |
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53 |
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52 |
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-4 |
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63 |
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in |
1996 |
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34 |
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in |
1972 |
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| Average Dew Point |
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60 |
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59 |
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57 |
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+3 |
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67 |
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in |
1996 |
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41 |
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in |
1950 |
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| Month Avg Max Dew Point |
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64.5 |
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63.3 |
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60.2 |
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+4.3 |
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65.7 |
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in |
2021 |
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48.4 |
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in |
1988 |
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| Month Avg
Min Dew Point |
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53.6 |
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53.0 |
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50.2 |
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+3.4 |
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55.6 |
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in |
2005 |
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39.9 |
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in |
1988 |
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| Month Average Dew Point |
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59.0 |
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58.1 |
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55.1 |
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+4.0 |
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60.2 |
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in |
2008 |
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44.2 |
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in |
1988 |
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| Precipitation |
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.00 |
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.00 |
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.12 |
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-.12 |
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2.18 |
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in |
1905 |
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| One Hour
Rain |
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.00 |
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.00 |
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.63 |
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in |
2001 |
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| Half Hour
Rain |
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.00 |
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.00 |
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.22 |
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in |
2011 |
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| Hourly Rain Rate |
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.00 |
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.00 |
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2.32 |
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in |
2011 |
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| Month Precipitation |
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.61 |
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.70 |
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1.41 |
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-.80 |
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6.84 |
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in |
1982 |
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T |
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in |
1949 |
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| Year Precipitation |
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21.00 |
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29.86 |
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20.45 |
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+.55 |
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36.73 |
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in |
1983 |
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12.64 |
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in |
1957 |
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| Snow |
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0.0 |
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0.0 |
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#N/A |
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#N/A |
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0.0 |
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in |
1900 |
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0.0 |
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in |
Many |
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| Snow Depth |
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0 |
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0 |
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0 |
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0 |
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in |
2020 |
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0 |
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in |
Many |
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| Month Snow |
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0.0 |
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0.0 |
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T |
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#N/A |
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in |
#N/A |
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0.0 |
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in |
Many |
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| Season Snow |
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11.9 |
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12.7 |
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33.8 |
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21.9 |
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84.1 |
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in |
1996 |
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5.0 |
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in |
1998 |
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Jun 12 |
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Record |
Record |
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| Observed Daily Data |
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2025 |
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2024 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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91% |
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95% |
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91% |
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-0% |
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100% |
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in |
2003 |
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60% |
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in |
1951 |
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| Minimum
Humidity |
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44% |
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56% |
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58% |
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-14% |
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93% |
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in |
1986 |
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28% |
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in |
1989 |
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| Average Humidity |
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68% |
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76% |
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74% |
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-7% |
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97% |
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in |
1986 |
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46% |
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in |
1989 |
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| Maximum Barometer |
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29.99 |
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30.01 |
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30.02 |
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-00.03 |
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30.37 |
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in |
1999 |
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29.47 |
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in |
1963 |
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| Minimum
Barometer |
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29.90 |
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29.95 |
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29.82 |
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+00.08 |
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30.26 |
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in |
1999 |
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29.17 |
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in |
1985 |
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| Average Barometer |
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29.95 |
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29.98 |
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29.92 |
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+00.03 |
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30.32 |
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in |
1999 |
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29.43 |
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in |
1963 |
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| Average
Wind |
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6.5 |
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5.0 |
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6.2 |
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+0.3 |
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11.8 |
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in |
1979 |
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2.3 |
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in |
1996 |
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| Direction |
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SSW |
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SSW |
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SSW |
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WNW |
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SSW |
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| High
Wind Gust |
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21 |
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24 |
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22 |
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-1 |
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50 |
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in |
1903 |
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12 |
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in |
2003 |
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| Direction |
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SSW |
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SSW |
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SSW |
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SE |
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SSW |
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| Maximum Water Temp |
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66.2 |
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67.5 |
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63.0 |
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+3.2 |
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68.0 |
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in |
2007 |
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58.3 |
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in |
2003 |
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| Minimum
Water Temp |
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63.5 |
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64.8 |
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59.8 |
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+3.7 |
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65.1 |
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in |
2007 |
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53.6 |
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in |
2006 |
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| Average Water Temp |
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64.9 |
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66.2 |
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61.4 |
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+3.4 |
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66.6 |
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in |
2007 |
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56.6 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:10:32 AM |
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4:36:56 AM |
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| Sunset /
PM Twilight |
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8:19:29 PM |
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8:53:46 PM |
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| Length Of Day |
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15:08:57 |
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| Special
Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For June 12, 2025 |
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| Climate Weather for June 12 |
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| Weather History For June 12 |
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| Weather Calendar |
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| Back To Weather Stat Page |
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