RICHLAND, WASHINGTON

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Elevation: 393 feet Latitude: 46 18N Longitude: 119 18W

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

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TEMPERATURE

Average Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		32		39		46		55		64		69		77		75		67		55		42		37

Average High Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		68		40		48		58		69		79		84		94		91		84		69		52		44

Average Low Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42		24		30		34		41		49		55		60		59		51		42		33		30

Highest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		67		69		82		92		105		110		110		108		106		89		75		69

Lowest Recorded Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-22		-21		-22		12		25		30		39		41		44		33		22		---		2

Average Number of Days Above 90F/32C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.3		---		---		---		0.3		3		8		22		16		9		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		90.3		22		16		12		2		0.3		---		---		---		---		3		15		20

PRECIPITATION

Average Precipitation

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		7.2		1.1		0.8		0.6		0.4		0.6		0.7		0.2		0.2		0.3		0.7		0.8		0.9

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.8		2.9		2.3		1.7		1		1.8		1.9		0.7		0.7		1.3		1.9		2		2.6

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		13.3		5.8		3		0.2		---		---		---		---		---		---		---		1.5		2.8

HUMIDITY

Average Relative Humidity

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		56		77		71		65		51		40		36		30		35		48		59		76		83

Average Dew Point

Years on Record: 2

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		37		29		31		35		35		37		40		43		44		41		40		35		28

DEGREE DAYS

Heating Degree Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4515		1023		734.5		589		300		31		---		---		---		---		294.5		675		868

Cooling Degree Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		892		---		---		---		---		---		135		372		310		75		---		---		---

Growing Degree Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3476.5		---		---		---		150		434		585		837		775		525		170.5		---		---

NEARBY - MAP

NEARBY - LIST

Island View, Washington (0 mi / 0 km)
Benton City, Washington (9 mi / 15 km)
Kennewick, Washington (9 mi / 15 km)
Pasco, Washington (9 mi / 14 km)
West Richland, Washington (9 mi / 15 km)

GEOBA.SE

Richland, Washington

WEATHER FORECAST