WILLIAMSPORT, MARYLAND

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Elevation: 11 meters Latitude: 39 37N Longitude: 077 51W

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CURRENT CONDITIONS

Sunrise/Set

06:56 am

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

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.9		0.6		-0.1		5.3		11.1		14.9		21.4		23.8		23.4		20		13.1		7.5		1.3

Average High Temperature

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.1		5.7		5.2		11.3		18.2		21.7		28.1		30.6		29.8		26.6		19.4		13.6		6.3

Average Low Temperature

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.7		-4.6		-5.3		-0.8		3.9		8.1		14.8		17.2		17.1		13.3		6.8		1.3		-3.7

Highest Recorded Temperature

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.3		22.2		23.3		28.3		34.4		35.6		36.1		38.3		37.2		37.8		32.8		25.6		23.3

Lowest Recorded Temperature

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-20		-20		-16.7		-10.6		-5.6		---		5.6		10.6		8.9		4.4		-4.4		-8.9		-15.6

Average Number of Days Above 100F/38C

Years on Record: 30

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

Average Number of Days Above 90F/32C

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.6		---		---		---		0.6		0.6		3.7		9.9		8.2		3.3		0.3		---		---

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		100.9		---		---		---		2.9		7.9		21.3		28.3		26		12		2.4		---		---

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		164.7		---		---		1.8		10.4		22.2		28.9		31		30.6		25		12.3		2.3		0.2

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		216.3		1.5		2.7		6.6		19.2		28.2		30		31		31		29.8		24		10.2		2.1

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		270.7		6		7.2		18.9		26		31		30		31		31		30		30.2		22.2		7.2

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		325.8		15.8		17.6		28		29.7		31		30		31		31		30		31		29.4		21.4

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		358.8		31		28		31		30		31		29.3		27.3		29.2		30		31		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		297.8		31		28		31		30		28		16.8		7.2		9.8		24.3		30.7		30		31

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		230.6		31		28		31		27.7		17.2		2.4		---		---		7		25.8		29.5		31

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		173.7		30.6		27.6		27.1		16.5		3.8		---		---		---		0.7		12.3		24.2		30.7

Average Number of Days Below 32F/0C

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		117.8		25.4		24.8		19.2		6.2		0.3		---		---		---		---		2.8		14		25.1

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		32.9		12.7		8.8		2.9		---		---		---		---		---		---		---		1.6		7

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		4.8		2		1.8		---		---		---		---		---		---		---		---		---		1

Average Number of Days Below 0F/-17C

Years on Record: 72

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

PRECIPITATION

Average Precipitation

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		971		64		60		84		83		98		105		84		90		79		74		73		76

Average Number of Days With Precipitation

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118		9		9		10		11		12		11		10		10		8		9		9		9

Most Precipitation Reported in a Day

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		119.9		47		43.7		66.3		59.4		81.5		119.9		105.7		74.4		98.3		81.5		63.5		58.4

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

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		6		5		7		7		8		7		6		6		5		5		6		6

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

Years on Record: 72

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

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

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		1		1		1		1		1		1		1		1		1		1

PRECIPITATION - RAIN

Most Rain Reported in a Month

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1242		118		136		153		185		217		250		218		255		232		154		160		154

Least Rain Reported in a Month

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		737		7		3		6		21		23		18		1		28		1		9		16		5

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		63.8		17.8		18.5		12.4		0.2		---		---		---		---		---		0.2		2		12.4

Most Snow Reported in a Month

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		188.2		67.8		90.7		63.5		10.2		---		---		---		---		---		5.1		27.2		60.5

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5173		1057		878		724		394		159		17		---		1		54		331		609		948

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		944		---		---		---		6		51		180		316		282		100		9		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3367		---		2		22		131		363		613		781		745		496		181		32		1

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		12.5		13.8		14.9		15.5		15.2		14.1		12.9		11.6		10.5		9.9

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		13.1		6.6		9.5		12.5		15.7		18		19.7		19.8		17.4		14.7		11.1		7		5.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.8		3.9		5.5		7.2		8.4		8.9		8.6		7.6		5.9		4.3		3.1		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		10.9		13.2		14.6		15.8		16.5		17.3		17.6		16.9		16.2		14.8		10.5		9.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		10.7		13		13.3		14.1		15		16.5		17.3		15.8		15.7		14.6		10.3		9.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		6.6		9.5		12.5		15.7		18		19.7		19.8		17.4		14.7		11.1		7		5.6

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		2.9		4		5.7		7.3		8.6		9.1		8.8		7.7		6.2		4.5		3.2		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		12.6		17.2		18.1		18.7		19.6		20.3		19.7		19.1		19.6		18.4		14.8		12.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		12.7		18.8		18.8		18.9		20.9		23		21.6		19.9		21.1		19.9		16.3		12.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		5.7		8.3		10.7		13.5		13		15.9		16.4		15.8		12		9.4		4.8		4.6

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		3.5		5.1		6.9		8		8.3		8.2		7.2		5.4		3.8		2.8		2.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		8.5		10.9		12		13.5		11.9		14		14.7		15.3		12.8		12		6.2		7.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.4		7.8		10		9.7		10.4		7.5		10.6		11.8		13.1		10.5		10.6		4.8		6.3

NEARBY - MAP

NEARBY - LIST

Funkstown, Maryland (6 mi / 10 km)
Hagerstown - City Park, Maryland (6 mi / 10 km)
Hagerstown, Maryland (8 mi / 13 km)
Keedysville, Maryland (12 mi / 19 km)
Mercersburg, Pennsylvania (14 mi / 22 km)

GEOBA.SE

Williamsport, Maryland