Fairfield Weather Records

Fairfield, California weather averages and records from 1950–2024 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Fairfield, California was 114 °F which occurred on September 6, 2022.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Fairfield, California was 15 °F which occurred on December 25, 2011.

Lowest Temperatures: All-Time By Year

Fairfield Weather by Month

Averages based on the years 1991–2020

Month	Average (°F)		Record (°F)		Average (inches)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧	Snow ❄️
January	56.7	39.3	78	18	4.7	0.0
February	61.7	42.5	80	24	5.1	0.0
March	66.5	44.8	89	29	3.3	0.0
April	71.4	47.3	98	26	1.5	0.0
May	77.7	51.7	111	35	0.7	0.0
June	85.4	55.5	111	32	0.2	0.0
July	89.7	57.5	114	38	0.0	0.0
August	89.4	57.6	111	35	0.0	0.0
September	87.2	55.9	114	39	0.1	0.0
October	78.4	52.1	104	32	1.1	0.0
November	65.8	45.0	87	21	2.5	0.0
December	56.9	39.3	78	15	5.3	0.0
Entire year	73.9	49.1	114	15	25.0	0.0

More Fairfield Weather Records 1950–2024
Highest daily low	76 °F	September 6, 2022
Lowest daily high	32 °F	December 15, 1972
Greatest daily range (Difference of high and low)	59 °F	August 18, 1984
Greatest difference in daily high over two conscutive days	31 °F	Apr 22–23, 2009
Most daily precipitation	6.1 inches	October 24, 2021
Most monthly precipitation	16.7 inches	December 2005
Most yearly precipitation	44.3 inches	1983
Most yearly days with precipitation	101	1983
Most daily snow	1.5 inches	December 27, 1988
Most monthly snow	1.5 inches	December 1988
Most yearly snow	1.5 inches	1988
Most snow in a winter	1.5 inches	1988–1989
Earliest freeze	November 9	1985
Earliest day ≥ 90 °F	April 6	1989
Earliest day ≥ 100 °F	May 16	2008
Latest freeze	April 13	1986
Latest day ≥ 90 °F	October 27	2003
Latest day ≥ 100 °F	October 10	1991
Most days in a year < 32 °F	61	1985
Most days in a year ≥ 80 °F	163	1984
Most days in a year ≥ 90 °F	100	1984
Most days in a year ≥ 100 °F	47	1984
Most days in a year ≥ 110 °F	4	1984

Fairfield Weather Streaks Most consecutive days...
With precipitation	21 days	Jan 8–28, 1970
Without precipitation	183 days	May 27 – Nov 25, 2019
High temperature ≥ 80 °F	83 days	Jun 15 – Sep 5, 2002
High temperature ≥ 90 °F	30 days	Jun 22 – Jul 21, 1984
High temperature ≥ 100 °F	9 days	Jul 25 – Aug 2, 1980

Plant Hardiness Zone

Fairfield is in plant hardiness zone 9B

based on average yearly minimum temperature from 1991–2020

Facts About Fairfield Weather

Fairfield Weather by Year

More Fairfield Weather

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Weather Station Details

Years	Station	Coordinates
1950–2024	Fairfield	location