THE PLAINS, VIRGINIA

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Elevation: 18 meters Latitude: 38 51N Longitude: 077 45W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

06:54 am

04:57 pm
Local Time
6:55 pm EST
15 November, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.6		1.6		0.9		5.7		11.8		15.7		22.2		24.2		23.8		19.9		13.8		7.9		3.1

Average High Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.9		7.1		6.8		12.1		18.7		22.5		28.9		30.3		30.5		26.9		20.4		14.1		8.7

Average Low Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.2		-3.9		-5.1		-0.6		4.9		8.8		15.6		18.1		17.2		12.8		7.3		1.7		-2.4

Highest Recorded Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.2		21.7		21.1		28.3		29.4		35		35		36.1		37.2		33.9		32.8		25		23.3

Lowest Recorded Temperature

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-18.9		-18.9		-17.8		-12.8		-4.4		-1.7		8.3		11.7		10		4.4		-3.3		-8.3		-13.3

Average Number of Days Above 90F/32C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		---		---		---		---		0.5		6.8		9.5		11		3.8		0.5		---		---

Average Number of Days Below 32F/0C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.7		25.2		24.8		19.4		4.5		0.8		---		---		---		---		4.2		12.5		21.2

Average Number of Days Below 0F/-17C

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.5		0.2		---		---		---		---		---		---		---		---		---		---

PRECIPITATION

Average Precipitation

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1073		74		66		90		86		103		98		101		111		99		85		85		74

Average Number of Days With Precipitation

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		9		8		10		10		11		10		10		9		8		8		8		8

Most Precipitation Reported in a Day

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		266.2		66.5		57.4		68.8		67.8		109.5		266.2		145		153.4		144		92.7		112.3		57.7

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		73.5		5.8		5.1		6.4		6.7		7.5		7		7.1		5.9		5.8		4.9		5.7		5.6

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

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		74		6		5		7		7		7		7		7		7		6		5		6		5

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

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		2		2		3		2		3		2		2		3		2		2		2		2

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		2.2		1.9		2.6		2.3		3.2		2.6		2.4		2.2		2.7		2.3		2.6		2

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

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		1		1		1		1		1		1		1		1		1		1		1		1

PRECIPITATION - RAIN

Most Rain Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1602		233		171		202		230		277		390		342		435		320		301		231		162

Least Rain Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		703		6		2		1		26		25		9		16		18		2		2		12		2

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		62.2		18.5		17.3		11.9		1		---		---		---		---		---		0.5		3		9.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.1		2.5		2.1		0.8		0.1		---		---		---		---		---		---		0.2		1.4

Most Snow Reported in a Month

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		168.9		104.1		81.8		80		17.8		---		---		---		---		---		20.3		50.8		57.1

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.7		2		1.6		0.8		---		---		---		---		---		---		---		0.2		1.1

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.9		1.1		0.7		0.5		---		---		---		---		---		---		---		0.1		0.5

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.4		0.5		0.4		0.2		---		---		---		---		---		---		---		---		0.3

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

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

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19.4		7.2		6.3		2		0.1		---		---		---		---		---		---		0.4		3.4

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		3.9		3.5		1.3		---		---		---		---		---		---		---		0.3		2

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		2.1		1.6		0.6		---		---		---		---		---		---		---		---		0.7

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.1		0.7		0.3		0.1		---		---		---		---		---		---		---		---		---

DEGREE DAYS

Heating Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2983.7		519.3		493.6		390.9		195.8		82.7		---		---		---		---		138.7		313.3		471.9

Cooling Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		517.3		---		---		---		---		---		117.5		181.7		171.4		46.7		---		---		---

Growing Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1883.6		---		---		---		54.2		175.7		367.5		440.1		429.7		296.7		119.7		---		---

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		10.3		11.2		12.4		13.7		14.8		15.4		15.1		14.1		12.8		11.6		10.5		10

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		9.8		13.2		16.8		18.8		20.2		20		17.7		15.2		12.1		7.7		6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3		4		5.6		7.2		8.4		8.9		8.6		7.6		6		4.3		3.2		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		11.1		13.1		15.4		17		17.2		17.8		17.9		17.1		16.7		16.2		11.7		9.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		11		13		14.3		15.8		16.1		17.2		17.5		16.1		16.3		16.5		11.9		9.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		9.8		13.2		16.8		18.8		20.2		20		17.7		15.2		12.1		7.7		6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3		4.1		5.7		7.4		8.6		9.1		8.8		7.8		6.3		4.6		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		14.2		16.4		18.4		19.9		20.6		20.1		19.6		18.9		20.3		19.7		15.5		12.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		15.1		18		19		21.1		22.7		22.2		21		19.3		22.2		21.7		17.3		13.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		6.2		7.5		10.9		14.9		12.7		16.9		17.6		15.8		12.6		9.7		5.3		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.8		3.7		5.2		6.7		7.8		8.5		8.3		7.3		5.3		3.7		2.9		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		9.2		9.2		12.2		14.9		11.7		15		15.8		15.2		13.5		12.1		7		7.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		8.7		7.6		9.8		12.3		7.2		11.9		13.5		12.8		11.2		10.7		5.6		6.4

NEARBY - MAP

NEARBY - LIST

Warrenton, Virginia (11 mi / 18 km)
Manassas, Virginia (14 mi / 22 km)
Bluemont, Virginia (16 mi / 26 km)
Dulles, Virginia (17 mi / 28 km)
Herndon, Virginia (17 mi / 28 km)

GEOBA.SE

The Plains, Virginia