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Fairfax town, California

Official LSAD Designation: Fairfax town • Census GEOID: 0623168 • Marin County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Fairfax town.

Reference Weather Station: SAN RAFAEL CIVIC CTR, CA US (ID: USC00047880) • Located 3.2 miles from community center • Elevation: 36.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 56.9° 42.6° 49.8° 7.13"
February 61.1° 44.0° 52.5° 6.94"
March 64.8° 45.5° 55.2° 4.42"
April 67.8° 47.5° 57.7° 1.99"
May 72.0° 50.6° 61.3° 0.94"
June 77.9° 53.5° 65.7° 0.15"
July 80.9° 54.9° 67.9° 0.00"
August 81.3° 55.5° 68.4° 0.05"
September 80.7° 54.4° 67.6° 0.07"
October 74.9° 51.4° 63.2° 1.46"
November 64.6° 46.0° 55.3° 3.49"
December 57.1° 42.1° 49.6° 7.81"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station SAN RAFAEL CIVIC CTR, CA US (ID: USC00047880) • 3.2 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at SAN RAFAEL CIVIC CTR, CA US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 46.0 53.8 61.5 69.3 77.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 57.5°F 2014: Annual mean 62.4°F 2017: Annual mean 60.6°F 2023: Annual mean 60.2°F 2024: Annual mean 61.6°F 2010: Annual mean of daily highs 66.4°F 2014: Annual mean of daily highs 73.4°F 2017: Annual mean of daily highs 71.3°F 2023: Annual mean of daily highs 71.8°F 2024: Annual mean of daily highs 73.6°F 2010: Annual mean of daily lows 48.6°F 2014: Annual mean of daily lows 51.5°F 2017: Annual mean of daily lows 49.8°F 2023: Annual mean of daily lows 48.7°F 2024: Annual mean of daily lows 49.6°F 2025: Annual mean of daily lows 49.5°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 57.5 66.4 48.6
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 62.4 73.4 51.5
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 60.6 71.3 49.8
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 60.2 71.8 48.7
2024 61.6 73.6 49.6
2025 Unavailable Unavailable 49.5
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.