KNOTTS ISLAND, VIRGINIA

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Elevation: 0 feet Latitude: 36 40N Longitude: 075 55W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

06:22 am

07:42 pm
Local Time
9:41 am EDT
20 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59.9		40.2		41.7		48.9		57.6		65.7		74.1		78.3		77.6		72.9		63.6		54.1		44.6

Average High Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		68.1		48.5		50.4		57.9		67.2		74.1		82.1		85.9		85.1		79.9		71		62.5		53.2

Average Low Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51.8		31.7		33.1		39.7		48.1		57.3		66.1		70.6		70.1		66.1		56.2		46		36.8

Highest Recorded Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		103		78		81		88		94		98		98		103		102		99		93		87		81

Lowest Recorded Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-11		-11		2		15		25		32		47		52		46		44		30		16		5

Average Number of Days Above 90F/32C

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.2		---		---		---		0.1		0.6		4.8		8.9		7		1.6		0.2		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111.5		---		0.1		0.7		4.4		9.6		21.6		26.9		27.3		16		4.5		0.3		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		184.7		0.8		1.7		4.8		12		20.9		29.1		31		31		29.3		16.7		6.1		1.4

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		257.2		5.7		8		14		21.9		29.7		30		31		31		30		29.1		18.8		8

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		313.4		13.4		16		23.2		29		31		30		31		31		30		31		27.9		20

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		352.9		24.4		25.9		30.3		30		31		30		31		31		30		31		29.9		28.4

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		304.9		31		28		31		30		30.1		20.3		9.7		12.5		21.5		29.8		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		229.2		31		28		30.8		27.8		20.6		4.5		0.6		0.5		5.1		21		28.6		30.8

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		167.7		30.1		27.3		28.1		19.1		4.8		0.3		---		---		0.2		8.3		21.2		28.5

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93.6		22.9		21.1		15		4.1		0.2		---		---		---		---		1		8.7		20.7

Average Number of Days Below 32F/0C

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45.9		15.7		13.3		4.9		0.4		---		---		---		---		---		0.1		1.5		10

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.2		1.8		0.7		---		---		---		---		---		---		---		---		---		0.6

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.2		0.1		---		---		---		---		---		---		---		---		---		---		---

Average Number of Days Below 0F/-17C

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.1		0.1		---		---		---		---		---		---		---		---		---		---		---

PRECIPITATION

Average Precipitation

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		45.1		3.9		3.5		3.6		3		3.6		3.5		4.8		5.8		4.1		3.4		2.9		3

Average Number of Days With Precipitation

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		94		9		8		9		8		9		7		9		9		6		6		7		8

Most Precipitation Reported in a Day

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		11.2		3.8		6		4.3		2.3		3.1		4.4		4.4		6		11.2		8		3.5		3.1

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70		7		6		7		5		6		5		7		7		5		4		5		6

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		3		3		3		2		3		3		3		4		2		2		2		2

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13		1		1		1		1		1		1		2		2		1		1		1		1

PRECIPITATION - RAIN

Most Rain Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		61.2		11.7		8.9		7.7		9.1		9.3		8.8		9.3		13.4		17		9.3		7.2		7

Least Rain Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		26.8		0.9		0.8		0.9		0.6		0.5		0.1		0.6		0.5		0.3		---		0.1		0.6

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		2.9		1.3		1.2		0.2		---		---		---		---		---		---		---		---		0.3

Most Snow Reported in a Month

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		20		14		19		7		---		---		---		---		---		---		---		1		4.5

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3215		730		586		483		244		75		5		---		---		5		113		349		625

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1647		---		---		3		28		111		314		439		414		263		68		7		1

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4787		28		35		94		254		501		759		904		879		708		422		160		43

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.5		11.3		12.4		13.6		14.6		15.1		14.9		14		12.8		11.7		10.7		10.2

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		2.2		3		4.2		5.4		6.1		6.5		6.2		5.7		4.7		3.8		2.6		2.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.9		1.2		1.5		1.9		2.2		2.3		2.3		2		1.6		1.2		0.9		0.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		3.4		4		4.9		5.4		5.6		5.6		5.6		5.5		5.2		5		3.9		3.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		3.6		4		4.9		5.6		5.9		6.2		6		5.9		5.4		5.3		4.1		3.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		2.2		3		4.2		5.4		6.1		6.5		6.2		5.7		4.7		3.8		2.6		2.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.9		1.2		1.6		2.1		2.4		2.5		2.4		2.2		1.8		1.3		1		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.6		4		4.7		5.7		6.3		6.5		6.1		6.1		6.2		6.1		6.2		4.9		4.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		4.4		5.2		6.2		7.2		8.1		7.4		7.3		7.2		6.8		7.2		5.6		4.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.8		2.3		3.6		4.2		4.2		5.4		5.3		4.7		4		3.2		2		1.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.8		1.1		1.4		1.7		1.9		2.2		2.1		1.8		1.4		0.9		0.8		0.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		2.5		2.7		4		4.2		3.9		4.8		4.8		4.5		4.3		4.1		2.7		2.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		2.2		2.3		3.5		3.4		2.8		4.4		4.4		3.9		3.8		3.9		2.5		2

NEARBY - MAP

NEARBY - LIST

Mount Pleasant, Virginia (12 mi / 19 km)
Virginia Beach, Virginia (12 mi / 19 km)
Cape Henry, Virginia (18 mi / 30 km)
Norfolk, Virginia (22 mi / 36 km)
Portsmouth, Virginia (22 mi / 36 km)

GEOBA.SE

Knotts Island, Virginia