SITKA, ALASKA

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Elevation: 2 meters Latitude: 57 03N Longitude: 135 20W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

09:10 am

12:46 am
Local Time
8:18 pm EDT
1 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6		---		1		2		4		7		10		12		12		10		7		3		---

Average High Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9		3		4		6		8		12		14		16		16		14		10		6		3

Average Low Temperature

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2		-2		-2		-1		---		3		6		9		9		7		3		---		-1

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.7		9.3		8.6		10.5		13.1		15.4		17		18.6		19.7		17.5		12.9		9.3		7.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-9		-9		-7.3		-4.6		-1.9		1.2		4.9		8.1		7.7		4.7		1.2		-6.8		-6.1

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		0.2		---		---		---		---		---		0.1		---		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		3.5		---		---		---		0.1		0.3		0.7		0.4		1.4		0.5		---		---		---

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		56.4		---		---		---		0.8		3.1		8.7		15.6		20.2		7.6		0.3		---		---

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		176.5		1.4		0.9		2		8.7		21.4		29.1		31		31		29.5		17.3		2.9		1.5

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		315.2		17.5		18.3		24.5		29.4		31		30		31		31		30		30.6		23.9		18

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		365		31		28		31		30		31		30		31		31		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		295.1		31		28		31		30		30.4		23.5		6.1		5.6		19		29.4		29.9		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		175.5		26.6		25.5		29		23.4		8.3		0.5		---		---		1.2		11.4		23.1		26.5

Average Number of Days Below 32F/0C

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		27		21.7		19.2		13.8		3.6		0.1		---		---		0.4		4.7		14.3		19.8

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		7.7		2.5		1.8		1		---		---		---		---		---		---		---		1		1.4

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		0.5		0.1		0.1		0.1		---		---		---		---		---		---		---		0.1		0.1

Average Number of Days Below 0F/-17C

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.8		0.5		0.1		---		---		---		---		---		---		---		---		0.2		1

PRECIPITATION

Average Precipitation

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2410		220		180		170		150		110		90		110		170		280		370		280		240

Average Number of Days With Precipitation

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		233		19		17		18		18		18		16		18		19		21		25		22		22

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		836		399		366		273		258		256		167		186		390		509		836		410		433

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		5		83		5		36		27		40		27		51		61		92		225		69		60

Most Precipitation Reported in a Day

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		152.4		126.2		108		103.1		83.6		78.5		54.1		112.3		141		152.4		144.3		112		97.3

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		165.6		15.8		12		13.6		10.8		10.8		8.4		10.9		12.7		17.2		20.8		17		15.6

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

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		173		15		13		14		13		11		9		12		13		17		21		18		17

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

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		6		5		5		4		3		2		3		5		8		11		9		7

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		60.1		5.7		3.9		4.1		2.5		2.6		1.2		2.2		4.8		9		10.6		7.6		5.9

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

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		2		2		1		1		1		---		1		2		3		4		3		2

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.5		1.1		1		0.9		1.1		1.4		1.8		2.3		2.3		2		1.5		1.1		1.1

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		157.5		39.9		30.2		27.7		7.4		0.2		---		---		---		---		1		16.3		34.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19		4.5		3.8		3.4		0.8		0.1		---		---		---		---		0.4		3.3		2.7

Average Snow Cover

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		10		12		7		---		---		---		---		---		---		---		2		7

Most Snow Reported in a Month

Years on Record: 91

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		123.2		123.2		70.6		88.7		45		4.3		---		---		---		---		16		112.5		119.4

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		11.1		2.7		2.6		1.9		0.3		---		---		---		---		---		0.1		2		1.5

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		3.2		0.9		0.9		0.4		0.1		---		---		---		---		---		---		0.4		0.5

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		1.1		0.5		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		26.8		6.7		5.9		4		0.3		---		---		---		---		---		---		3.8		6.1

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		11.7		3.6		3.7		1.4		0.1		---		---		---		---		---		---		1.3		1.6

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		7		2.2		2.6		0.5		0.1		---		---		---		---		---		---		0.5		1.1

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		2.2		0.8		0.9		0.3		---		---		---		---		---		---		---		0.1		0.1

HUMIDITY

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		80.1		79.2		77.4		73.7		75.6		78.6		82.3		86.7		85.7		84.4		81.2		77.9		77.9

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7191		887		792		837		675		535		366		273		243		360		587		766		870

Cooling Degree Days

Years on Record: 30

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

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		655		---		---		---		3		24		94		192		223		104		13		1		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.1		8.3		10.3		12.6		15.1		17.5		18.9		18.1		15.8		13.3		10.9		8.8		7.6

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75.3		73.8		71.4		70.1		69.9		72.1		77.3		85.8		77.5		79.1		78.7		74.9		74

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69.4		68.7		62.3		63.5		60.5		64.3		71.1		80.4		72.1		75.2		74.5		70.5		70

WIND

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12.6		14		13.1		14		12.2		11.2		10.5		9.5		9.4		11.2		14.1		15.2		15.5

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		9.3		1.7		4.3		8.6		14		17.7		18.4		16.3		13.2		8.9		5		2.3		1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		1.2		2.7		5		7.3		9.4		9.9		9.3		7.9		5.2		3.1		1.6		0.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		3.6		7.6		11.6		15.2		16.2		15.8		14.4		13		10.4		7.7		4.6		2.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.3		3		6.5		10		14.5		15.9		15.9		13.1		10.9		9		6.8		4		1.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.3		1.7		4.3		8.6		14		17.7		18.4		16.3		13.2		8.9		5		2.3		1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		1.4		3.1		5.5		7.3		9.4		10		9.5		8.1		5.9		3.5		1.8		0.9

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		4.9		9.8		16		17.8		19.6		18.9		16.2		16.2		15.2		9.5		6		2.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.9		4.1		8.5		14.2		18.8		22.6		22.3		16.6		16.3		15		8.8		5.6		2.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.7		1.4		3.2		7.1		12.5		15.6		15.4		14.1		10.4		5.8		4.1		1.8		0.9

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		1.1		2.2		4.6		7.2		9.3		9.7		9.1		7.3		4.4		2.7		1.3		0.8

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		2.8		5.2		8.7		13.1		14.2		13.3		12.4		9.8		5.9		5.9		3		1.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		2.1		3.9		6.8		11.1		12.1		10.7		9.4		6.3		3.5		4.9		2.4		1.4

NEARBY - MAP

NEARBY - LIST

Goddard, Alaska (1 mi / 2 km)
Biorka, Alaska (16 mi / 25 km)
Baranof, Alaska (18 mi / 30 km)
Baranof Island - Hidden Falls, Alaska (20 mi / 33 km)
Angoon, Alaska (42 mi / 68 km)

GEOBA.SE

Sitka, Alaska