Climate

Alhambra weather by month

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

Average temperatures

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

Month	High	Low	Rain	Wet days
January	69°F	46°F	3.6 in	7
February	68°F	47°F	4.2 in	7
March	71°F	51°F	2.5 in	5
April	74°F	53°F	0.60 in	2
May	76°F	58°F	0.50 in	2
June	81°F	62°F	0.10 in	1
July	86°F	65°F	0.00 in	1
August	88°F	66°F	0.00 in	0
September	87°F	64°F	0.10 in	0
October	81°F	57°F	0.60 in	2
November	74°F	51°F	0.90 in	3
December	68°F	45°F	2.4 in	5

NOAA U.S. Climate Normals 1991–2020, San Gabriel Fire Dept, Ca Us (1.7 mi away, 363 ft). Wet days: days with at least 0.01 in of precipitation.

What is the hottest month in Alhambra?

August, with an average high of 88°F and low of 66°F.

What is the coldest month in Alhambra?

December, with an average low of 45°F and high of 68°F.

When does it rain most in Alhambra?

February is the wettest month, averaging 4.2 in of precipitation; the year totals about 15.5 inches.

What is the best time to visit Alhambra?

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

Where do these numbers come from?

NOAA’s 1991–2020 U.S. Climate Normals for the San Gabriel Fire Dept weather station, 1.7 miles from downtown: 30-year averages, not a forecast.