Climate

Temecula weather by month

Average highs, lows, rain and snow for every month, from 30 years of weather records.

Average temperatures

Best time to visit: May, June, October, when highs are mild and rain is lightest.

Month	High	Low	Rain	Wet days
January	68°F	47°F	3.2 in	6
February	67°F	46°F	3.7 in	6
March	70°F	48°F	2.0 in	6
April	72°F	51°F	1.0 in	4
May	75°F	53°F	0.40 in	5
June	81°F	56°F	0.10 in	2
July	87°F	60°F	0.10 in	2
August	89°F	62°F	0.20 in	1
September	88°F	62°F	0.10 in	2
October	83°F	58°F	0.70 in	3
November	74°F	52°F	1.1 in	5
December	67°F	46°F	2.6 in	7

NOAA U.S. Climate Normals 1991–2020, Fallbrook 5 Ne, Ca Us (4.5 mi away, 1,140 ft). Wet days: days with at least 0.01 in of precipitation.

What is the hottest month in Temecula?

August, with an average high of 89°F and low of 62°F.

What is the coldest month in Temecula?

December, with an average low of 46°F and high of 67°F.

When does it rain most in Temecula?

February is the wettest month, averaging 3.7 in of precipitation; the year totals about 15.2 inches.

What is the best time to visit Temecula?

For mild weather (highs between 65°F and 85°F) with the least rain, May, June, October.

Where do these numbers come from?

NOAA’s 1991–2020 U.S. Climate Normals for the Fallbrook 5 Ne weather station, 4.5 miles from downtown: 30-year averages, not a forecast.