Historical Weather in Fairfield, CA
See 55+ years of weather history for any date in Fairfield going back to 1970.
Part of California weather history
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Today in Fairfield Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Fairfield, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 91°F / Low: 58°F
Coldest MonthDecemberAvg High: 56°F / Low: 39°F
Jan
57°/ 39°
💧 11.0"
Feb
62°/ 41°
💧 11.9"
Mar
67°/ 44°
💧 9.0"
Apr
72°/ 46°
💧 6.3"
May
79°/ 51°
💧 5.4"
Jun
87°/ 56°
💧 4.5"
Jul
91°/ 58°
💧 3.7"
Aug
91°/ 58°
💧 3.1"
Sep
88°/ 56°
💧 3.9"
Oct
78°/ 51°
💧 8.9"
Nov
65°/ 43°
💧 9.4"
Dec
56°/ 39°
💧 11.6"
❄️ 1.5"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Fairfield Temperature Records
- Record High: The hottest temperature ever recorded in Fairfield, CA is 117°F, set on July 12, 2021.
- Record Low: The coldest temperature ever recorded in Fairfield, CA is 12°F, set on December 22, 1990.
- Data Coverage: Based on 56 years of data from NOAA weather station: FAIRFIELD.
All-Time Record High
117°F
July 12, 2021
All-Time Record Low
12°F
December 22, 1990
Monthly Temperature Records in Fairfield
| Month | Record High | Record Low |
|---|---|---|
| January | 80°F(2021) | 18°F(1979) |
| February | 85°F(2016) | 20°F(1989) |
| March | 90°F(2004) | 24°F(1995) |
| April | 99°F(2015) | 26°F(2010) |
| May | 111°F(1984) | 32°F(1994) |
| June | 112°F(2009) | 32°F(2011) |
| July | 117°F(2021) | 38°F(1982) |
| August | 113°F(2020) | 35°F(1986) |
| September | 116°F(2022) | 38°F(2009) |
| October | 105°F(2024) | 32°F(2011) |
| November | 89°F(2018) | 21°F(1985) |
| December | 78°F(1977) | 12°F(1990) |
Fairfield Snow RecordsSee the top 10 snowiest days ever recorded
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