WHITTIER, ALASKA

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Elevation: 75 meters Latitude: 60 47N Longitude: 148 41W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

09:33 am

02:08 am
Local Time
10:34 pm EDT
5 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.5		-2.7		-1.9		-0.8		7.4		-17.8		11.7		-17.8		12.9		9.3		3.7		-0.4		-1.9

Average High Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.3		-0.5		0.3		1.9		10.8		-17.8		15.4		-17.8		16.1		11.9		6		1.8		0.4

Average Low Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.8		-5.1		-4.3		-3.4		4.1		-17.8		8.1		-17.8		9.8		6.7		1.4		-2.8		-4.2

Highest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31.1		12.2		11.1		12.2		23.9		-17.8		27.8		-17.8		30.6		22.8		21.7		13.3		10.6

Lowest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-28.3		-27.8		-22.8		-20.6		-6.7		-17.8		---		-17.8		1.1		-5		-17.8		-27.2		-28.3

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		7.9		---		---		---		---		0.2		1.9		3.5		2.2		---		---		---		---

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		59.6		---		---		---		0.2		3.9		15.5		20.2		16.4		3.4		---		---		---

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		139.7		0.1		---		---		4.3		20.1		27.6		31		31		23.4		2.2		---		---

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		224.9		3.3		2.8		8.7		22.3		30.6		30		31		31		29.8		24.2		7.3		3.7

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		365		31		28		31		30		31		30		31		31		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		363.3		31		28		31		30		31		29.9		30.2		30.3		30		31		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		315.9		31		28		31		30		30.2		22.2		11.1		12.9		27.6		31		30		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		220.4		30.9		28		30.9		28.4		13.7		0.4		---		---		3.5		24		29.7		30.9

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		117.5		22.9		20.7		18.9		6.7		0.1		---		---		---		0.1		6		18.9		23.1

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		31.8		8.9		6.4		4.4		0.5		---		---		---		---		---		0.4		4.3		6.9

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		7.5		3.3		1.9		0.7		---		---		---		---		---		---		---		0.6		1

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.6		0.4		0.1		---		---		---		---		---		---		---		---		---		---

PRECIPITATION

Average Precipitation

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		4995		465		397		352		390		380		250		277		374		525		506		483		596

Average Number of Days With Precipitation

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		202		17		16		15		16		16		14		17		18		18		19		17		19

Most Reported Precipitation in a Month

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1461		1426		874		725		851		989		583		533		806		1250		1244		1323		1461

Least Reported Precipitation in a Month

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		18		44		51		70		45		32		18		60		70		117		139		21		84

Most Precipitation Reported in a Day

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		277.4		199.4		220.2		167.4		192.8		144		127		99.8		185.9		277.4		196.1		148.3		185.2

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		185		17		14.7		15.1		14.9		14		12.2		13.6		15.3		17		17.1		15.8		18.3

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

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		177		15		14		14		14		14		12		14		15		16		17		15		17

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

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112		10		9		9		9		9		6		7		9		11		11		10		12

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		119.8		11.7		9.8		9.8		10		8.5		6.7		7.1		9.3		12		11.5		10.4		13

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

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71		6		6		5		6		6		3		4		5		8		7		7		8

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.1		0.6		0.7		0.6		0.8		1		1.5		1.9		1.8		1.4		1		0.8		0.7

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		655.3		125		123.4		119.4		55.1		3.6		---		---		---		0.2		16.5		67.8		144.3

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.9		11.6		10.4		10.1		4.9		0.6		---		---		---		---		2.1		8.6		12.6

Average Snow Cover

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		40		88		119		124		88		10		---		---		---		---		---		10		53

Most Snow Reported in a Month

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		450.3		306.1		290.3		354.3		304.8		68.6		---		---		---		6.3		81.3		196.8		450.3

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		53.3		10.3		9.2		8.8		4.3		0.4		---		---		---		---		1.9		7.7		10.7

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		29.7		5.8		4.9		5.6		2.1		0.1		---		---		---		---		0.7		4.4		6.1

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		18.2		3.5		2.9		3.3		1.3		0.1		---		---		---		---		0.4		2.3		4.4

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		6		1		1.1		1.5		0.3		---		---		---		---		---		0.1		0.5		1.5

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		193.1		30.6		28		31		29.4		18.9		2.1		---		---		---		4.3		19.8		29

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		177.7		29.7		26.9		30.5		28.6		17.2		1.7		---		---		---		1.8		15.7		25.6

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		167.7		28.3		26.4		30.5		27.7		15.9		1.3		---		---		---		1.4		12.6		23.6

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		146.5		25.1		25.5		29.2		25.9		12.7		0.6		---		---		---		0.4		7.4		19.7

HUMIDITY

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		81.1		81.2		84.2		79.1		79.7		76.7		76.2		83.3		82.4		82.3		82.3		82.8		83.8

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8702		1130		998		1009		786		564		339		251		285		473		789		994		1083

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		---		---		1		4		2		---		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		597		---		---		---		1		25		130		219		182		39		---		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.4		7.6		9.9		12.7		15.6		18.7		21.2		19.6		16.5		13.5		10.7		8.2		6.8

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73		68.9		71.9		64.3		71.8		70.3		74.9		83.1		74.9		75		73.3		71.2		75.7

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		64.8		63.5		65.6		56.8		63		58.7		61.3		73.9		67		67.3		66		65.6		69.1

WIND

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		13.7		16.8		16.1		16.2		13		11.4		10		9		10.2		12.7		14.9		17		16.9

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		9.6		1.1		3.5		8.4		14.3		18.9		20.5		17.8		13.9		9.2		5		1.7		0.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		0.8		2.3		4.7		7.1		9		10		9.4		7.9		5.1		3.1		1.2		0.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		3.3		7.4		13.2		17.6		17.6		17.6		15.7		14		11.9		9.1		4.8		1.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		3.1		6.3		11.4		16.9		20.5		21.2		17.1		13.2		11.4		8		4.1		1.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.6		1.1		3.5		8.4		14.3		18.9		20.5		17.8		13.9		9.2		5		1.7		0.5

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		2.7		5		7.2		9		10		9.5		8		5.5		3.4		1.4		0.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		3.9		9.8		15.1		20.6		19.8		19.7		18.4		18.2		14.7		11.2		6.1		2.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		3.7		8.7		13.5		20.7		24.7		26.1		22.9		20.7		15.1		9.9		5.3		1.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8		1		3.2		7.5		11.9		15.3		16.7		14.6		12.3		7.2		3.9		1.2		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		4.9		0.8		2.1		4.5		7		8.9		9.9		9.2		7.8		4.7		2.6		0.9		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		8.9		2.8		6.5		11.4		14		13.9		14.3		12.7		12		8.5		6.5		2.7		1.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.8		2.5		5.4		9.5		11.5		13.4		13.9		11		9.9		7		5.7		2.1		1.1

NEARBY - MAP

NEARBY - LIST

Portage Glacier - Visitor Center, Alaska (5 mi / 8 km)
Girdwood - Chugach National Forest, Alaska (10 mi / 16 km)
Alyeska, Alaska (19 mi / 31 km)
Girdwood - Airport, Alaska (19 mi / 31 km)
Lake Bay, Alaska (20 mi / 32 km)

GEOBA.SE

Whittier, Alaska