ONTARIO, CALIFORNIA

Home > North America > United States > California
Elevation: 287 feet Latitude: 34 03N Longitude: 117 36W

WEATHER

Monthly - Summary

CURRENT CONDITIONS

Sunrise/Set

09:14 am

10:24 pm
Local Time
1:53 am EDT
18 April, 2024

PRINT THIS DATA

MONTHLY - WEATHER AVERAGES SUMMARY [ Show All Data ]

[ °C ] °F

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65.5		54.5		55.5		58.5		62.3		67.2		72.3		77.8		79.1		75.8		67.9		59.8		54.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		77.8		65.2		65.8		69.9		74		78.9		85.5		92.2		93.6		89.1		80.6		72.7		65.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53.1		43.8		45.3		47.2		50.5		55.5		59		63.3		64.7		62.6		55.2		47		42.7

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		15		3.3		3.4		2.3		0.9		0.3		0.1		0.1		0.1		0.3		0.6		1.2		2.3

Highest Recorded Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		114		90		89		97		110		107		111		114		113		112		110		95		99

Lowest Recorded Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		24		25		29		30		35		38		43		52		51		47		40		29		24

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.7		11.4		12.4		13.5		14.4		14.9		14.6		13.8		12.8		11.7		10.8		10.4

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80.2		---		0.1		0.3		1.9		3.5		8.9		20.5		22.8		15.3		6.1		0.7		---

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		1		0.4		---		---		---		---		---		---		---		---		---		0.1		0.5

Average Morning Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		77		77		78		83		78		80		77		76		76		74		74		72		74

Average Evening Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		43		46		47		51		46		47		41		38		39		41		41		39		43

Average Dew Point

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		38		41		45		47		52		55		59		59		57		50		40		37

Average Wind Speed

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		9		6		9		10		10		10		11		10		11		10		10		6		6

NEARBY - MAP

NEARBY - LIST

Chino, California (5 mi / 8 km)
South Fontana, California (6 mi / 9 km)
Upland - Pioneer Park, California (6 mi / 10 km)
Claremont - Pomona College, California (7 mi / 12 km)
Upland, California (7 mi / 12 km)

GEOBA.SE

Ontario, California