Historical Weather Records & Monthly Climate for Rialto, CA

All-Time High
115°F
All-Time Low
24°F
Max Daily Snow
3.6"
Max Wind Gust
33 mph

Monthly Climate Averages

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January62°41°3.12"0.42"
February63°42°3.36"0.98"
March67°45°2.32"0.35"
April72°48°1.15"0.29"
May77°53°0.55"0
June85°59°0.11"0
July92°66°0.4"0
August93°67°0.39"0
September89°63°0.33"0
October79°55°0.75"0
November70°47°1.2"0.11"
December62°41°2.46"0.44"

More Historical Climate Data for Cities in


CA