Historical Weather in Pomona, CA
See 55+ years of weather history for any date in Pomona going back to 1970.
Part of California weather history
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Today in Pomona Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Pomona, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 90°F / Low: 61°F
Coldest MonthDecemberAvg High: 66°F / Low: 42°F
Jan
66°/ 42°
💧 16.8"
Feb
67°/ 43°
💧 18.3"
Mar
69°/ 45°
💧 16.5"
Apr
73°/ 47°
💧 8.4"
May
76°/ 52°
💧 6.3"
Jun
83°/ 56°
💧 3.1"
Jul
90°/ 61°
💧 0.9"
Aug
90°/ 61°
💧 8.1"
Sep
87°/ 59°
💧 7.8"
Oct
79°/ 54°
💧 9.3"
Nov
72°/ 47°
💧 11.2"
Dec
66°/ 42°
💧 15.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Pomona Temperature Records
- Record High: The hottest temperature ever recorded in Pomona, CA is 121°F, set on September 6, 2020.
- Record Low: The coldest temperature ever recorded in Pomona, CA is 19°F, set on March 12, 1986.
- Data Coverage: Based on 29 years of data from NOAA weather station: CLAREMONT CALIFORNIA.
All-Time Record High
121°F
September 6, 2020
All-Time Record Low
19°F
March 12, 1986
Monthly Temperature Records in Pomona
| Month | Record High | Record Low |
|---|---|---|
| January | 95°F(2003) | 20°F(2007) |
| February | 97°F(2016) | 23°F(1990) |
| March | 98°F(2015) | 19°F(1986) |
| April | 106°F(2004) | 28°F(1999) |
| May | 106°F(2004) | 32°F(1988) |
| June | 115°F(2016) | 36°F(1988) |
| July | 120°F(2018) | 46°F(2000) |
| August | 115°F(2017) | 45°F(2010) |
| September | 121°F(2020) | 42°F(1986) |
| October | 111°F(2020) | 33°F(2009) |
| November | 102°F(2010) | 27°F(2000) |
| December | 92°F(2021) | 20°F(1987) |
Pomona Snow RecordsSee the top 10 snowiest days ever recorded
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