SUMMIT, ALASKA

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Elevation: 241 feet Latitude: 63 20N Longitude: 149 08W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

09:50 am

01:58 am
Local Time
11:04 am EDT
25 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		25		-0.5		5.2		---		23.4		37.4		48.7		52.1		48.9		39.8		23		9.5		3.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		31.3		2.8		6.8		16		31.4		44.6		57.1		60.9		57.6		46.8		28.6		12.6		9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		16.1		-9.7		-6.9		-0.4		13.3		28.3		38.9		43.7		41.1		31.4		15.6		0.8		-3.4

Highest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		89		47		42		57		76		89		81		81		75		59		44		42		89

Lowest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-45		-45		-40		-16		1		26		32		20		6		-15		-27		-43		-45

Average Number of Days Below 32F/0C

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		248		28		31		28.2		29.9		21.9		2.1		0.1		2		14.2		29.9		30		31

Average Number of Days Below 0F/-17C

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79		20.8		15.4		2.5		---		---		---		---		---		2.3		12.7		18.3		7

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		16.6		1.1		0.9		0.8		0.5		1		1.5		2.4		2.3		2.6		1.6		0.9		1

Average Number of Days With Precipitation

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		137		9		10		9		9		8		12		16		16		16		12		10		10

Most Reported Precipitation in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.3		2.2		4.3		2.6		2.4		3		4.3		5.6		6.3		6.1		3.8		4.8		4.6

Least Reported Precipitation in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.1		---		0.1		0.1		0.1		0.5		1.1		1		0.3		0.1		0.1		0.3

Most Precipitation Reported in a Day

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.8		1		2.8		0.5		1		1.9		2.2		1.8		1.6		1.4		1.2		1.3		1.1

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56		3		3		3		2		2		6		8		9		8		5		4		3

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

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		---		1		1		1		1		1		---		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		117.6		13.9		15.6		13.5		9.6		4.2		1.4		0.4		0.3		4.8		16.6		20		17.3

Average Snow Cover

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		15		29		33		36		29		9		---		---		---		---		5		13		21

Most Snow Reported in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		75.1		49.7		44.5		42.3		28.7		17.4		9.4		9.7		9		21.5		54.8		75.1		50.7

DEGREE DAYS

Heating Degree Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9999.9		1719		1408		1404		948		546		203		121		198		458		992		1366		1609

Growing Degree Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		---		---		---		---		---		63		---		---		---		---		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		7		9.7		12.7		16.1		19.9		22.4		20.5		17.1		13.7		10.5		7.6		6

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		2.5		0.2		0.8		2.1		3.9		5		5.6		4.9		3.7		2.5		1.2		0.4		0.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.2		0.6		1.2		1.9		2.5		2.8		2.6		2.2		1.4		0.8		0.3		0.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3		0.8		1.8		3.5		5		4.7		4.8		4.3		3.7		3.3		2.4		1.1		0.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3		0.7		1.6		3		4.8		5.5		6		4.8		3.5		3.2		2.1		1.1		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		0.2		0.8		2.1		3.9		5		5.6		4.9		3.7		2.5		1.2		0.4		0.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.2		0.6		1.3		2		2.5		2.8		2.6		2.2		1.5		0.8		0.3		0.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1		2.2		4		5.6		5.4		5.3		5.1		5.1		3.9		2.8		1.4		0.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.9		2		3.7		5.8		7		7.3		6.5		6		4		2.5		1.2		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		0.2		0.7		1.8		3.2		4.1		4.8		4.2		3.2		1.9		0.9		0.3		0.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.1		0.5		1.2		1.9		2.4		2.8		2.6		2.1		1.3		0.6		0.2		0.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		0.7		1.4		2.8		4		3.7		4		3.6		3.1		2.4		1.6		0.9		0.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.6		1.2		2.3		3.3		3.5		4.3		3.4		2.5		2		1.3		0.9		---

NEARBY - MAP

NEARBY - LIST

Cantwell, Alaska (0 mi / 0 km)
Foggy Pass, Alaska (8 mi / 13 km)
Golden North Airfield, Alaska (9 mi / 15 km)
Mount McKinley, Alaska (26 mi / 43 km)
McKinley Park, Alaska (27 mi / 43 km)

GEOBA.SE

Summit, Alaska