Weather & Climate at March Air Reserve Base

Riverside, CA

Summary of the weather and climate in Riverside, CA:

The average high is 79.5°F and the average low is 51.4°F.
The hottest month is August with a high of 94.9°F.
The coldest month is December with a low of 41.6°F.
Annual rainfall is 10.34 inches; the rainiest month is February (2.42 in).

Source: NOAA climate normals.

Temperatures through the year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bars span each month's average low to average high (40°F – 100°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	67.6	42.8	2.33	0
February	68.3	44	2.42	0
March	71.2	46.1	1.69	0
April	75.7	49	0.68	0
May	80.5	53.7	0.2	0
June	87	57.1	0.09	0
July	93.6	61.7	0.04	0
August	94.9	62.1	0.09	0
September	91.3	59.3	0.16	0
October	82.5	53.3	0.46	0
November	73.9	46.3	0.81	0
December	67.5	41.6	1.37	0