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Petaluma city, California

Official LSAD Designation: Petaluma city • Census GEOID: 0656784 • Sonoma County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Petaluma city.

Reference Weather Station: PETALUMA AP, CA US (ID: USC00046826) • Located 1.6 miles from community center • Elevation: 6.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 57.6° 39.0° 48.3° 4.77"
February 61.3° 40.4° 50.8° 5.23"
March 64.5° 41.9° 53.2° 3.32"
April 67.8° 43.8° 55.8° 1.68"
May 71.9° 47.4° 59.6° 0.93"
June 78.1° 50.4° 64.3° 0.28"
July 80.8° 52.4° 66.6° 0.01"
August 81.2° 52.8° 67.0° 0.05"
September 81.6° 51.4° 66.5° 0.09"
October 76.4° 47.6° 62.0° 1.27"
November 65.5° 42.3° 53.9° 2.74"
December 57.9° 38.4° 48.1° 5.19"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PETALUMA AP, CA US (ID: USC00046826) • 1.6 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 PETALUMA AP, 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. 40.0 49.0 58.0 67.0 76.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 56.6°F 2012: Annual mean 57.6°F 2013: Annual mean 57.4°F 2014: Annual mean 60.5°F 2015: Annual mean 59.7°F 2016: Annual mean 58.7°F 2017: Annual mean 58.9°F 2018: Annual mean 58.0°F 2021: Annual mean 58.6°F 2022: Annual mean 58.4°F 2023: Annual mean 58.1°F 2024: Annual mean 59.6°F 2025: Annual mean 58.6°F 2011: Annual mean of daily highs 69.0°F 2012: Annual mean of daily highs 70.4°F 2013: Annual mean of daily highs 71.1°F 2014: Annual mean of daily highs 73.0°F 2015: Annual mean of daily highs 72.7°F 2016: Annual mean of daily highs 70.5°F 2017: Annual mean of daily highs 71.5°F 2018: Annual mean of daily highs 70.8°F 2021: Annual mean of daily highs 71.1°F 2022: Annual mean of daily highs 71.6°F 2023: Annual mean of daily highs 69.6°F 2024: Annual mean of daily highs 71.5°F 2025: Annual mean of daily highs 69.7°F 2011: Annual mean of daily lows 44.2°F 2012: Annual mean of daily lows 44.8°F 2013: Annual mean of daily lows 43.8°F 2014: Annual mean of daily lows 47.9°F 2015: Annual mean of daily lows 46.6°F 2016: Annual mean of daily lows 47.0°F 2017: Annual mean of daily lows 46.2°F 2018: Annual mean of daily lows 45.2°F 2021: Annual mean of daily lows 46.0°F 2022: Annual mean of daily lows 45.2°F 2023: Annual mean of daily lows 46.6°F 2024: Annual mean of daily lows 47.7°F 2025: Annual mean of daily lows 47.5°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 Unavailable Unavailable Unavailable
2011 56.6 69.0 44.2
2012 57.6 70.4 44.8
2013 57.4 71.1 43.8
2014 60.5 73.0 47.9
2015 59.7 72.7 46.6
2016 58.7 70.5 47.0
2017 58.9 71.5 46.2
2018 58.0 70.8 45.2
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 58.6 71.1 46.0
2022 58.4 71.6 45.2
2023 58.1 69.6 46.6
2024 59.6 71.5 47.7
2025 58.6 69.7 47.5
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.