What is the highest temperature ever recorded in Fairfield, CA?

The record high temperature in Fairfield, CA is 117°F, recorded on July 12, 2021.

What is the lowest temperature ever recorded in Fairfield, CA?

The record low temperature in Fairfield, CA is 12°F, recorded on December 22, 1990.

Historical Weather in Fairfield, CA

Name: Fairfield, CA Temperature Records
Creator: NOAA

See 55+ years of weather history for any date in Fairfield going back to 1970.

Part of California weather history · California temperature records

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Today in Fairfield Weather HistorySee records, averages, and 55+ years of data for today's date

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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°/ 47°

💧 6.4"

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, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

Avg high Avg low

Fairfield, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

Rain (in) Snow (in)

Fairfield, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

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Best Time to Visit Fairfield, CA

Fairfield, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

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)