Portsmouth Rhode Island Weather Almanac
Monday, December 6, 2021
Cloudy & Rain early, Mostly Cloudy Day to Cloudy and Rain Late, Windy and Very Warm
		Climate Normal Period								Climate Record Period
		1991 - 2020								1893 - 2021
		December 6, 2021								Record					Record
Observed Daily Data		2021		2020		Norm		Depart		Highest					Lowest
Maximum Temperature		61		38		45		+16		62		in	2001		24		in	1902
Minimum Temperature		45		30		32		+13		54		in	1999		11		in	1901
Average Temperature		53		34		39		+14		58		in	2001		19		in	1902
Month Avg Max Temperature		50.5		49.8		46.2		+4.3		59.2		in	2001		33.0		in	1904
Month Avg Min Temperature		36.2		37.3		33.2		+3.0		45.3		in	2001		14.5		in	1989
Month Average Temperature		43.5		43.8		39.5		+4.0		52.7		in	2001		24.8		in	1976
High Heat Index
Low Wind Chill		38		20		22		+16							0		in	1954
Heating Degree Days		12		31		26		-14		46		in	1902		7		in	2001
Month HDD		129		127		153		-24		241		in	1976		74		in	2001
Season HDD		923		920		1143		-220		1534		in	1904		888		in	2011
Cooling Degree Days		0		0		0		+0				in					in
Month CDD		0		0		0		+0		0		in					in
Year Cooling Degree Days		795		871		609		+186		871		in	2020		290		in	1902
Maximum Dew Point		59		32		38		+21		59		in	2021		12		in	1969
Minimum Dew Point		35		22		24		+11		52		in	2011		2		in	1992
Average  Dew Point		47		27		31		+16		54		in	2011		10		in	1969
Month Avg Max Dew Point		41.8		42.7		38.0		+3.8		52.7		in	1982		16.0		in	1976
Month Avg Min Dew Point		24.8		28.5		23.3		+1.6		39.8		in	1982		-2.7		in	1989
Month Average Dew Point		33.5		35.8		30.6		+2.9		46.3		in	1982		9.3		in	1989
Precipitation		.38		.00		.15		+.23		2.06		in	1945
One Hour		.17		.00						.50		in	1953
Hourly Rate		2.38		.00						2.38		in	2021
Month Precipitation		.38		2.53		.90		-.52		4.15		in	1981		.00		in	2000
Year Precipitation		45.96		39.41		42.33		+3.63		61.67		in	1983		24.19		in	1957
Snow		0.0		0.0		0.2		-0.2		13.9		in	1981				in
Snow Depth		0		0						8		in	2002				in
Month Snow		0.0		T		0.8		-0.8		17.0		in	1981		0.0		in	2021
Season Snow		T		0.6		1.4		-1.4		19.5		in	1898		0.0		in	2017
		December 6, 2021								Record					Record
Observed Daily Data		2021		2020		Norm		Depart		Highest					Lowest
Maximum Humidity		97%		83%		88%		+9%		100%		in	2013		56%		in	1992
Minimum Humidity		71%		62%		60%		+11%		95%		in	2014		32%		in	1958
Average Humidity		84%		73%		74%		+10%		98%		in	1972		47%		in	1992
Maximum Barometer		30.31		29.75		30.10		+00.21		30.63		in	1976		29.52		in	1997
Minimum Barometer		29.58		29.51		29.76		-00.18		30.28		in	2004		28.85		in	1977
Average Barometer		29.95		29.63		29.93		+00.01		30.46		in	1976		29.19		in	1977
Average Wind		15.0		13.3		8.6		+6.4		20.7		in	2003		2.0		in	1974
Direction		SE		NW		NW				NNE					SW
High Wind Gust		33		37		27		+6		52		in	1953		9		in	1974
Direction		NW		NW		NW				SSW					S
Maximum Water Temp		52.5		49.8		48.3		+4.2		53.0		in	2011		42.6		in	2007
Minimum Water Temp		49.6		47.7		45.9		+3.7		51.8		in	2011		40.6		in	2019
Average Water Temp		51.1		48.8		47.1		+3.9		52.4		in	2011		41.7		in	2007
Sunrise/ AM Twilight		6:55:53 AM						6:26:27 AM
Sunset / PM Twilight		4:17:00 PM						4:46:26 PM
Length Of Day		9:21:07
Special Conditions		Fog
Comments
Hour-by-Hour Weather For December 6, 2021
Climate Weather for December 6
Weather History For December 6
Weather Calendar
Back To Weather Stat Page
Home