MACLEOD HARBOR, ALASKA

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Elevation: 15 meters Latitude: 59 53N Longitude: 147 45W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

10:02 am

01:34 am
Local Time
4:51 pm EDT
25 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.4		0.6		1.4		2.7		4.9		7.9		10.9		13.1		13.2		10.7		7.1		3.4		1.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.6		2.9		3.9		5.7		8.5		11.9		14.9		16.8		16.8		13.9		9.8		5.8		3.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.3		-1.8		-1.2		-0.3		1.4		3.9		6.8		9.3		9.4		7.3		4.3		0.9		-0.7

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20		7.4		7.7		7.7		10.6		15		17.7		20		19.5		16.7		12		8.9		7.2

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5.9		-5.5		-5.9		-2.2		-0.9		1.6		4.9		7.3		8.1		5.5		2.1		-3.8		-3.7

Average Number of Days Below 32F/0C

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176		31		24.8		23.5		23.3		10		0.6		---		---		2		13		21		26.8

Average Number of Days Below 0F/-17C

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.2		0.3		---		---		---		---		---		---		---		---		---		0.2		0.7

PRECIPITATION

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		5729		600		482		458		378		301		204		200		335		562		853		708		648

Average Number of Days With Precipitation

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		242		19		20		19		18		20		19		19		18		23		25		21		21

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1762		1566		894		945		666		699		530		438		828		1040		1762		1346		1483

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		16		279		16		143		98		85		18		41		57		94		526		247		128

Most Precipitation Reported in a Day

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		247.9		247.9		211.1		152.9		133.6		192.5		125.5		118.1		166.4		104.7		157.5		188.7		126.5

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

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		193		16		16		16		16		17		11		11		14		19		22		18		17

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

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		131		12		13		10		11		11		6		5		9		13		16		13		12

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

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91		9		10		6		8		8		3		3		5		10		11		10		8

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		342.6		53.1		67.3		67.3		27.9		---		---		---		---		---		6.3		43.7		77

Most Snow Reported in a Month

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		154.9		97.3		127		154.9		120.4		---		---		---		---		---		30.5		76.2		87.9

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4324.4		550		475		476.1		401.7		322.8		223.3		163.9		161.1		231.1		350.6		448.9		520

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		239.6		---		---		---		---		---		26.7		94.7		98.2		20		---		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.3		7.8		10		12.6		15.5		18.3		20.3		19.1		16.3		13.5		10.7		8.3		7

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		8.8		1.1		3.2		7.5		12.8		17.2		18.8		16.4		13.3		8.8		4.6		1.7		0.6

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		0.8		2.2		4.6		7.1		8.9		9.9		9.3		7.8		5		2.9		1.2		0.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		2.5		6.2		10.9		14.2		15.8		16		14.4		13.2		10.8		7.5		4.2		1.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		2.2		5.1		8.9		13.1		16.8		17.5		14.1		11.8		9.9		6.7		3.6		1.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.8		1.1		3.2		7.5		12.8		17.2		18.8		16.4		13.3		8.8		4.6		1.7		0.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		0.9		2.6		5.1		7.2		9		10		9.5		8		5.4		3.5		1.4		0.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		3		8.7		14.9		19.2		20.1		19.4		17.8		18.1		13.9		10.7		5.3		1.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		2.8		7.5		13.2		19.4		25		24.9		20.9		20.3		13.9		9.9		4.6		1.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		1		2.7		5.7		8.8		12.7		11.8		13.5		10.6		6		3.1		1.3		0.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		0.8		1.9		4.1		6.3		8.5		9.1		9.1		7.4		4.4		2.2		1		0.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		2.1		4.5		7.2		8.7		11.4		10.1		11.8		10		6.4		4.4		2.5		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		4.7		1.8		3.7		4.9		5.6		8.3		5.4		8.9		6.8		4.3		3.5		1.9		0.9

NEARBY - MAP

NEARBY - LIST

Port San Juan, Alaska (15 mi / 25 km)
Cape Hinchinbrook, Alaska (44 mi / 72 km)
Main Bay, Alaska (44 mi / 71 km)
Kayak Island, Alaska (57 mi / 92 km)
Latouche, Alaska (58 mi / 94 km)

GEOBA.SE

Macleod Harbor, Alaska