HARPERS FERRY, WEST VIRGINIA

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Elevation: 12 meters Latitude: 39 19N Longitude: 077 44W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

06:20 am

07:57 pm
Local Time
5:16 pm EDT
24 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

PRECIPITATION

Average Precipitation

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		941		65		62		80		80		89		90		90		99		75		78		66		67

Average Number of Days With Precipitation

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95		8		7		9		8		9		9		9		8		6		6		7		8

Most Precipitation Reported in a Day

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		141.7		49.3		50.8		62		92.7		101.6		134.6		141.7		108		116.8		121.9		88.9		66

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		6		5		7		7		7		7		6		6		5		5		5		6

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		2		2		2		2		2		3		2		3		2		2		2		2

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		1		1		1		1		1		1		1		1		1		---

PRECIPITATION - RAIN

Most Rain Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1391		147		146		171		224		260		275		342		286		234		282		146		177

Least Rain Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		510		8		---		16		8		13		18		4		11		6		---		5		6

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		65.3		18.5		15.5		12.4		1.8		---		---		---		---		---		0.2		4.8		11.9

Most Snow Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		127.8		69.8		57.1		51.3		25.4		---		---		---		---		---		6.3		35.6		50.8

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		13.8		14.9		15.4		15.1		14.1		12.9		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

Shepherdstown, West Virginia (5 mi / 9 km)
Shenandoah Junction, West Virginia (9 mi / 14 km)
Keedysville, Maryland (11 mi / 18 km)
Lincoln, Virginia (13 mi / 22 km)
Purcellville, Virginia (13 mi / 21 km)

GEOBA.SE

Harpers Ferry, West Virginia