ST MARYS, ALASKA

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Elevation: 320 feet Latitude: 62 04N Longitude: 163 18W

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CURRENT CONDITIONS

Sunrise/Set

10:44 am

02:56 am
Local Time
8:18 pm EDT
28 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		30		4.1		7.6		---		24.3		41.8		53.5		56.5		52.9		44.6		29		14.6		12.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36.7		13.1		14.5		24.2		32.1		49.3		61.8		63.5		59.6		51.1		34.6		19.6		16.1

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		24.1		4.2		2.4		10		17.8		33.6		44.7		48.7		45.4		38		24.4		10.8		7.7

Highest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		85		39		46		68		78		82		85		84		75		53		44		40		85

Lowest Recorded Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-44		-44		-40		-16		5		28		30		26		10		-8		-23		-27		-44

Average Number of Days Below 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		212		30		28		26.4		26.4		12.6		0.9		0.1		1.4		7.1		24.2		26.9		27.8

Average Number of Days Below 0F/-17C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.2		13.2		12.9		3.6		---		---		---		---		---		0.6		6.4		9.5		4

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		14.8		1.3		0.6		1.1		0.6		0.7		0.8		1.3		1.8		1.4		1.3		2.1		1.7

Average Number of Days With Precipitation

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		3		4		4		3		4		5		7		8		8		7		6		7

Most Reported Precipitation in a Month

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13.2		5.6		2		2.6		2		2.9		3.4		4.1		3.9		6.6		4.1		13.2		7.7

Most Precipitation Reported in a Day

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.8		1.2		0.4		0.6		1		0.9		0.8		1.4		0.8		0.8		1		2.8		1.5

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		2		2		2		1		2		3		4		5		4		4		3		5

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

Years on Record: 12

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

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		1		---		---		---		---		---		---		---		---		---		1		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		38.5		5		3.8		6.2		2.1		1.7		0.1		---		---		---		1.3		6.8		11.5

Most Snow Reported in a Month

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27		17.7		19.9		22.5		10.3		11		1		---		---		0.3		5.7		26.1		27

DEGREE DAYS

Heating Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9302		1576		1340		1147		922		419		101		55		100		312		805		1212		1313

Cooling Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13		---		---		---		---		---		4		8		1		---		---		---		---

Growing Degree Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		393.4		---		---		---		---		108.5		195		89.9		---		---		---		---		---

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		7.3		9.8		12.7		15.8		19.5		22.1		20.3		16.8		13.6		10.6		7.9		6.4

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		3.8		5.2		5.5		4.5		3.2		2.3		1.3		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		0.5		1.2		2		2.5		2.8		2.6		2.1		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		2.8		0.6		1.7		3.2		4.7		4.9		4.7		4		3.2		3		2.3		1.2		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		2.8		0.5		1.4		2.7		4.5		5.7		5.7		4.1		2.5		2.8		2		1		0.1

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		3.8		5.2		5.5		4.5		3.2		2.3		1.3		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		0.7		1.4		2		2.5		2.8		2.6		2.2		1.4		0.9		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		3.6		0.8		2.5		4.3		6.1		5.8		5.5		5.1		4.6		3.7		2.8		1.5		0.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		0.7		2.2		3.9		6.3		7.4		7.5		6.5		5		3.7		2.5		1.3		0.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		0.2		0.6		1.6		3.2		4.2		4.7		3		2.5		1.7		1.1		0.4		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		1.1		1.9		2.5		2.8		2.4		1.9		1.2		0.7		0.3		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		2.1		0.4		1.2		2.2		3.8		3.8		4		2.6		2.4		1.9		1.8		1		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		1.7		0.3		0.9		1.5		3		3.7		4.1		1.4		1.4		1.4		1.6		0.8		0.1

NEARBY - MAP

NEARBY - LIST

St. Marys, Alaska (3 mi / 6 km)
Mountain Village, Alaska (14 mi / 24 km)
Emmonak, Alaska (62 mi / 99 km)
Russian Mission, Alaska (67 mi / 108 km)
Hooper Bay, Alaska (91 mi / 147 km)

GEOBA.SE

St Marys, Alaska