WEST COVINA, CALIFORNIA

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Elevation: 305 meters Latitude: 34 05N Longitude: 117 46W

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

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TEMPERATURE

Average Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16		9		10		12		14		16		19		23		22		21		17		12		10

Average High Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25		17		18		21		23		25		28		33		32		31		26		22		18

Average Low Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		1		3		4		6		8		11		13		13		11		8		3		2

Highest Recorded Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		47		30		32		37		37		40		47		44		43		45		41		36		33

Lowest Recorded Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5		-5		-4		-3		-1		---		3		5		5		3		-1		-4		-5

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		77		---		---		---		1		2		8		22		19		17		7		1		---

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		29		8		8		4		1		---		---		---		---		---		---		2		6

PRECIPITATION

Average Precipitation

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		450		90		90		70		40		10		---		---		---		---		10		30		70

PRECIPITATION - RAIN

Average Number of Rainy Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		7		7		5		4		1		---		---		---		1		1		2		6

HUMIDITY

Average Relative Humidity

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		65		64		70		70		68		66		67		66		61		61		69		58		64

Average Dew Point

Years on Record: 4

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		2		4		5		7		8		11		13		13		12		10		3		3

DEGREE DAYS

Heating Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1387.4		266.9		204.1		172.2		100		34.4		---		---		---		---		25.8		150		241.1

Cooling Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		451.4		---		---		---		---		---		50		155		146.4		100		---		---		---

Growing Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2322.9		---		31.4		86.1		150		223.9		300		413.3		404.7		350		232.5		100		17.2

NEARBY - MAP

NEARBY - LIST

Pomona, California (1 mi / 1 km)
Claremont, California (2 mi / 4 km)
La Verne, California (2 mi / 3 km)
Live Oak Canyon, California (2 mi / 4 km)
California State Polytechnic University - Pomona, California (3 mi / 5 km)

GEOBA.SE

West Covina, California

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