Portsmouth Rhode Island Weather Almanac
Monday, June 2, 2025
Mostly Cloudy, Light Sprinkle early, Partly Cloudy Day to Clear PM, Warmer
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2025
		Jun 2								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Temperature		66		83		70		-4		88		in	1943		51		in	1907
Minimum Temperature		52		58		53		-1		65		in	1918		44		in	1946
Average Temperature		59		71		62		-3		75		in	1943		49		in	1907
Month Avg Max Temperature		65.0		77.5		70.0		-5.0		84.7		in	1944		53.3		in	1907
Month Avg Min Temperature		50.5		53.5		53.0		-2.5		63.0		in	1895		44.3		in	1945
Month Average Temperature		58.0		66.0		62.0		-4.0		74.0		in	1895		49.3		in	1907
High Heat Index		66		79						91		in	1943
Low Wind Chill															39		in	1954
Heating Degree Days		6		0		3		+3		16		in	1907		0		in	2024
Month Heating DD		14		0		8		+6		47		in	1907		0		in	2024
Season Heating DD		5016		4947		5467		-451		6548		in	1905		4374		in	1932
Cooling Degree Days		0		6		1		-1		10		in	1943		0		in	All
Month Cooling DD		0		2		2		-2		27		in	1895		0		in	Many
Year Cooling DD		0		2		2		-2		27		in	1895		0		in	Many
Maximum Dew Point		54		63		59		-5		67		in	1999		41		in	1953
Minimum Dew Point		46		55		49		-3		59		in	2013		27		in	1986
Average  Dew Point		50		59		54		-4		63		in	1995		35		in	1986
Month Avg Max Dew Point		53.0		60.0		59.0		-6.0		66.3		in	2013		43.3		in	1953
Month Avg Min Dew Point		45.5		47.0		48.5		-3.0		58.3		in	2013		34.3		in	1953
Month Average Dew Point		49.3		53.5		53.5		-4.3		62.3		in	2013		38.8		in	1953
Precipitation		T		T		.11		-.11		1.30		in	1959
One Hour Rain		T		T						.73		in	1960
Half Hour Rain		.00		.00						.19		in	2012
Hourly Rain Rate		.00		.00						4.00		in	2012
Month Precipitation		T		.00		.22		-.22		2.19		in	1984		.00		in	2020
Year Precipitation		20.39		29.16		19.26		+1.13		35.86		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 2								Record					Record
Observed Daily Data		2025		2024		Norm		Depart		Highest					Lowest
Maximum Humidity		93%		94%		91%		+2%		100%		in	2021		52%		in	1953
Minimum Humidity		54%		42%		56%		-2%		93%		in	2013		28%		in	1953
Average Humidity		74%		68%		73%		+0%		97%		in	2013		40%		in	1953
Maximum Barometer		30.02		29.97		30.02		+00.00		30.49		in	1986		29.61		in	1954
Minimum Barometer		29.87		29.89		29.82		+00.05		30.15		in	2015		29.42		in	1907
Average Barometer		29.95		29.93		29.92		+00.03		30.23		in	1996		29.55		in	1954
Average Wind		6.9		4.4		6.4		+0.5		15.5		in	2023		2.6		in	2016
Direction		SSW		SW		SSW				NNE					SSW
High Wind Gust		25		14		22		+3		44		in	1902		10		in	2016
Direction		SSW		SSE		SW				NW					SE
Maximum Water Temp		60.6		65.1		60.7		-0.1		67.6		in	2007		53.8		in	2020
Minimum Water Temp		58.5		59.4		57.4		+1.1		63.9		in	2010		51.6		in	2020
Average Water Temp		59.6		62.3		59.1		+0.5		65.3		in	2010		52.7		in	2020
Sunrise/ AM Twilight		5:13:06 AM						4:39:07 AM
Sunset / PM Twilight		8:13:22 PM						8:48:06 PM
Length Of Day		15:00:16
Special Conditions		None
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