SEATTLE, WASHINGTON

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Elevation: 37 meters Latitude: 47 39N Longitude: 122 18W

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

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TEMPERATURE

Average Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11		5		6		7		10		13		16		18		18		16		12		8		6

Average High Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		7		9		11		14		17		20		23		23		20		15		10		8

Average Low Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		2		3		4		6		8		11		13		13		11		8		5		3

Highest Recorded Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		19		21		24		30		33		37		37		36		33		27		22		18

Lowest Recorded Temperature

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-17		---		-17		-5		-1		1		4		6		7		2		-7		---		-12

Average Number of Days Above 90F/32C

Years on Record: 92

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

Average Number of Days Above 75F/23C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43		---		---		---		1		3		7		14		13		5		---		---		---

Average Number of Days Below 45F/7C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		172		29		26		28		21		8		1		---		---		1		10		22		28

Average Number of Days Below 32F/0C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		8		4		1		---		---		---		---		---		---		---		2		5

Average Number of Days Below 0F/-17C

Years on Record: 42

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PRECIPITATION

Average Precipitation

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		860		120		90		80		50		40		30		10		20		40		70		120		130

Average Number of Days With Precipitation

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153		19		16		16		14		10		9		5		6		8		14		17		19

Most Reported Precipitation in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		271		271		208		188		115		119		91		53		102		111		206		213		242

Least Reported Precipitation in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		27		30		19		18		8		6		---		---		1		14		21		23

Most Precipitation Reported in a Day

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		75.2		64.8		75.2		49.5		48.3		45.2		46		30.7		29.2		38.9		58.9		66.8		47

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

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		92		12		9		10		7		6		4		2		3		5		9		12		13

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

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18		3		2		1		1		1		1		---		---		1		2		3		3

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

Years on Record: 42

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

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150		18		16		17		14		11		9		5		6		8		11		18		18

Average Number of Days With Thunderstorms

Years on Record: 25

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

Most Rain Reported in a Month

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1220		270		200		180		130		110		90		50		130		140		200		280		380

Least Recorded Rainfall

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		490		10		---		10		---		---		---		---		---		---		---		10		20

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		18		7		2		1		---		---		---		---		---		---		---		1		4

Most Snow Reported in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		66.5		66.5		18.3		18.8		0.2		---		---		---		---		---		---		29		25.4

DEGREE DAYS

Heating Degree Days

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1141.1		262.2		181.1		166.7		86.1		26.1		1.7		---		---		2.8		45.6		151.1		217.8

Cooling Degree Days

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81.7		---		---		---		---		2.8		10.6		31.7		27.2		8.9		0.6		---		---

Growing Degree Days

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1089.4		---		---		---		16.7		120.6		183.3		258.3		258.3		183.3		68.9		---		---

VISIBILITY

Average Number of Days With Fog

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		3		2		1		1		1		1		1		3		4		3		3		3

Average Number of Clear Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71		3		3		4		5		7		7		12		10		9		5		3		3

Average Possibility of Sunshine

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		43		28		34		42		47		52		49		63		56		53		37		28		23

Average Number of Cloudy Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		201		23		19		19		16		14		15		9		11		13		18		21		23

Average Number of Partly Cloudy Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93		5		6		8		9		10		8		10		10		8		8		6		5

NEARBY - MAP

NEARBY - LIST

Medina, Washington (0 mi / 0 km)
Seattle - University of Washington, Washington (0 mi / 0 km)
Bellevue, Washington (3 mi / 6 km)
Kenmore, Washington (3 mi / 5 km)
Sand Point, Washington (3 mi / 5 km)

GEOBA.SE

Seattle, Washington

WEATHER FORECAST