DERRY, PENNSYLVANIA

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Elevation: 403 meters Latitude: 40 20N Longitude: 079 18W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

06:08 am

08:19 pm
Local Time
2:16 pm EDT
7 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.7		-1.1		-0.9		4.1		9.9		15.7		20.3		22.4		21.4		18.2		12		5.9		0.5

Average High Temperature

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.8		3.8		4.5		10.1		16.7		22.7		26.9		29		27.9		25		18.6		11.2		5.1

Average Low Temperature

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.6		-6.1		-6.1		-1.8		3.2		8.7		13.6		15.9		14.9		11.4		5.4		0.6		-4.2

Highest Recorded Temperature

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.6		28.3		26.1		30		33.3		37.8		36.7		40.6		38.9		37.8		34.4		32.2		24.4

Lowest Recorded Temperature

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33.9		-33.9		-29.4		-23.3		-15.6		-6.1		-2.2		2.2		---		-4.4		-8.3		-18.3		-27.2

Average Number of Days Above 90F/32C

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.6		---		---		---		0.1		0.5		2.9		5.7		3.7		1.6		0.1		---		---

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		76.1		---		---		0.2		1.8		6.9		15.3		21.7		19.9		9.2		1		0.1		---

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		150.6		0.1		0.3		2.7		8.7		17.5		26.9		30.6		30		22.2		9.3		2.1		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		204.7		1.1		1.3		6.6		16.9		27.1		29.7		31		31		29.1		20.4		8.6		1.8

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		254		4.8		5.4		13.9		24.9		30.6		30		31		31		30		28.5		17.5		6.3

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		300.9		11.3		13		23.4		28.9		31		30		31		31		30		30.9		25.2		15.3

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		363.2		31		28		31		30		31		29.7		30.1		30.7		29.9		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		314.5		31		28		31		29.6		28.6		19.9		13.7		17		24.4		30.4		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		244		30.9		27.8		30.2		26.1		19.1		6.9		2		3.1		11.7		26.1		29.3		30.8

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		181.8		29.6		27		27.5		18.1		7.4		0.6		0.2		0.1		2.9		15.1		24		29.3

Average Number of Days Below 32F/0C

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126.3		25.3		23.5		20.6		10		1.8		0.1		---		---		0.5		5.6		15.4		23.6

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		47.5		15.7		11.7		7		0.8		---		---		---		---		---		0.1		2		10.1

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		17.2		7.7		4.6		1.7		---		---		---		---		---		---		---		0.1		3.1

Average Number of Days Below 0F/-17C

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.7		2.1		1.7		0.1		---		---		---		---		---		---		---		---		0.8

PRECIPITATION

Average Precipitation

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1180		92		75		102		105		110		124		125		108		91		80		86		82

Average Number of Days With Precipitation

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		139		14		12		13		13		13		11		11		10		9		9		11		13

Most Reported Precipitation in a Month

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		387		255		193		231		216		249		387		272		279		229		288		332		193

Least Reported Precipitation in a Month

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		4		27		24		11		30		33		29		37		25		19		4		8		18

Most Precipitation Reported in a Day

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		148.6		94.7		54.1		81.5		61.2		69.1		148.6		124		104.7		139.9		127		55.9		53.3

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		116.4		10.5		9.4		10.8		11.4		10.7		9.6		9.5		7.9		8.4		7.9		10		10.3

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

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104		9		9		10		10		10		9		9		7		7		7		8		9

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

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		2		2		3		3		3		3		3		3		3		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		32		1.8		1.4		2.6		2.9		3.5		2.9		3.4		3.1		3.3		2		3		2.1

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

Years on Record: 113

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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		110.5		30		27.2		19.1		4.1		---		---		---		---		---		0.5		7.1		22.6

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.9		7		5.6		3.6		1		---		---		---		---		---		0.1		1.4		5.2

Most Snow Reported in a Month

Years on Record: 113

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		115.6		115.6		92.7		66		27.9		---		---		---		---		---		20.3		73.4		87.6

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		17.4		5.4		4.3		2.5		0.5		---		---		---		---		---		0.1		0.8		3.8

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		4.7		1.5		0.9		1.1		0.1		---		---		---		---		---		---		0.2		0.9

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		1.5		0.6		0.2		0.4		---		---		---		---		---		---		---		0.1		0.2

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		0.3		0.1		---		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		42.6		14.7		11		5.3		0.8		---		---		---		---		---		---		1.9		8.9

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		20.7		9.1		4.6		2.4		0.1		---		---		---		---		---		---		0.6		3.9

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		11.1		5.1		2.5		1.5		---		---		---		---		---		---		---		0.2		1.8

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		2.7		1.6		0.6		0.2		---		---		---		---		---		---		---		---		0.3

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5883		1150		959		819		460		216		52		8		16		114		396		675		1017

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		644		---		---		1		7		36		126		213		180		71		9		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2890		4		4		30		121		302		525		669		629		411		150		37		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		10.2		11.2		12.5		13.8		15		15.6		15.2		14.2		12.9		11.6		10.4		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		6.4		9.3		12.3		15.9		17.7		20		19.9		17.5		14.7		10.9		6.7		5.4

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		2.9		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		14.3		10.4		12.7		14.2		16.1		16.2		17.5		17.8		17		16.3		14.5		9.9		9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		10.1		12.3		12.8		14.5		14.5		16.9		17.4		16.1		15.8		14.2		9.5		8.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		6.4		9.3		12.3		15.9		17.7		20		19.9		17.5		14.7		10.9		6.7		5.4

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		17.3		12.1		16.7		18.8		18.4		19.6		20		19.6		19.3		19.3		17.8		14.3		11.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.4		12		18		19.8		18.5		20.9		22.2		21.3		20.2		20.7		19		15.5		12.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		5.4		8		10.4		14		13.4		17.2		16.9		15.8		12.1		8.9		4.5		4.5

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		7		8		8.5		8.2		7.2		5.5		3.9		2.9		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		10.4		11.6		14		12.3		15.2		15.2		15.2		13		11.2		5.7		6.8

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		7.2		9.1		9.2		11.2		8.1		12.4		12.5		13		10.7		9.5		4.3		6

NEARBY - MAP

NEARBY - LIST

Waterford, Pennsylvania (10 mi / 17 km)
Avonmore, Pennsylvania (11 mi / 18 km)
Blairsville, Pennsylvania (11 mi / 18 km)
Ligonier, Pennsylvania (11 mi / 18 km)
Calumet, Pennsylvania (13 mi / 21 km)

GEOBA.SE

Derry, Pennsylvania