Portsmouth Rhode Island Weather Almanac  
Thursday, June 5, 2025  
Clear early then Partly Cloudy, Very Hot and Humid, Light Winds  
  Climate Normal Period Climate Record Period
    1991 - 2020 1893 - 2025
  Jun 5           Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   86   75   71   +15   90   in 1925   53   in 1945  
Minimum Temperature   58   56   54   +4   67   in 1925   44   in 1944  
Average Temperature   72   66   63   +9   79   in 1925   49   in 1945  
 Month Avg Max Temperature   74.0   77.0   70.2   +3.8   83.4   in 1925   55.6   in 1907  
Month Avg Min Temperature   53.2   55.2   53.6   -0.4   61.0   in 2010   45.2   in 1945  
Month Average Temperature   63.8   66.6   62.2   +1.6   72.2   in 1925   50.6   in 1907  
High Heat Index   93   77           95   in 1925            
Low Wind Chill                             39   in 1997  
Heating Degree Days   0   0   2   -2   16   in 1945   0   in Many  
Month Heating DD   14   1   19   -5   72   in 1907   0   in 1925  
Season Heating DD   5016   4948   5478   -462   6554   in 1905   4374   in 1932    
Cooling Degree Days   7   1   1   +6   14   in 1925   0   in All    
Month Cooling DD   8   9   5   +3   36   in 1925   0   in Many    
Year Cooling DD   8   9   5   +3   36   in 1925   0   in Many    
Maximum Dew Point   73   67   60   +13   73   in 2025   41   in 1964    
Minimum Dew Point   56   53   50   +6   63   in 2010   32   in 1971    
Average  Dew Point   65   60   55   +10   67   in 2010   38   in 1964  
 Month Avg Max Dew Point   59.8   62.2   59.2   +0.6   67.6   in 2010   48.8   in 1976  
Month Avg Min Dew Point   48.4   50.8   49.0   -0.6   59.4   in 2010   39.4   in 1953  
Month Average Dew Point   54.1   56.5   54.0   +0.1   63.5   in 2010   45.1   in 1953  
Precipitation   .00   .00   .12   -.12   3.61   in 1920            
One Hour Rain   .00   .00           1.41   in 2010            
Half Hour Rain   .00   .00         1.11   in 2010            
Hourly Rain Rate   .00   .00           6.78   in 2010            
Month Precipitation   T   T   .57   -.57   5.35   in 1982   .00   in 2005  
Year Precipitation   20.39   29.16   19.61   +.78   36.73   in 1983   11.66   in 1905  
Snow   0.0   0.0   #N/A   #N/A   0.0   in 1900   0.0   in Many  
Snow Depth   0   0   0       0   in 2020   0   in Many  
Month Snow   0.0   0.0   T       #N/A   in #N/A   0.0   in Many  
Season Snow   11.9   12.7   33.8   21.9   84.1   in 1996   5.0   in 1998  
    Jun 5           Record Record
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest
Maximum Humidity   97%   98%   92%   +5%   100%   in 2021   54%   in 1977  
Minimum Humidity   61%   72%   60%   +1%   94%   in 2014   24%   in 1971  
Average Humidity   79%   85%   76%   +3%   97%   in 2014   46%   in 1965  
Maximum Barometer   30.10   30.03   30.01   +00.09   30.42   in 1976   29.61   in 2007  
Minimum Barometer   29.92   29.81   29.82   +00.10   30.23   in 1976   29.31   in 1988  
Average Barometer   30.01   29.92   29.91   +00.10   30.33   in 1976   29.48   in 1988  
Average Wind   4.8   6.8   6.3   -1.5   15.3   in 1988   1.9   in 1952  
Direction   S   SSW   SSW       WNW         S        
High Wind Gust   18   25   22   -4   52   in 1927   10   in 1952  
Direction   SSW   S   SSW       NW         SE        
Maximum Water Temp   64.2   63.9   61.2   +3.0   67.6   in 2010   54.7   in 2020  
Minimum Water Temp   61.2   60.8   57.9   +3.3   66.0   in 2010   51.4   in 2020  
Average Water Temp   62.7   62.4   59.6   +3.1   66.8   in 2010   53.1   in 2020  
Sunrise/ AM Twilight   5:11:58 AM   4:38:22 AM            
Sunset / PM Twilight   8:15:28 PM   8:49:34 PM            
Length Of Day   15:03:30                          
Special Conditions   None                                  
Comments   Record High Dew Point  
Hour-by-Hour Weather For June 5, 2025            
Climate Weather for June 5            
Weather History For June 5            
Weather Calendar            
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