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Geyserville CDP, California

Official LSAD Designation: Geyserville CDP • Census GEOID: 0629420 • Sonoma County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Geyserville CDP.

Reference Weather Station: HEALDSBURG, CA US (ID: USC00043875) • Located 6.4 miles from community center • Elevation: 53.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 57.7° 39.3° 48.5° 8.00"
February 61.5° 41.0° 51.3° 8.33"
March 66.0° 42.7° 54.4° 6.35"
April 72.1° 45.1° 58.6° 2.87"
May 79.0° 49.5° 64.3° 1.60"
June 85.8° 53.7° 69.7° 0.35"
July 88.7° 54.3° 71.5° 0.00"
August 88.3° 53.7° 71.0° 0.04"
September 84.6° 52.3° 68.5° 0.10"
October 76.9° 48.5° 62.7° 2.20"
November 64.9° 42.7° 53.8° 4.46"
December 57.3° 38.7° 48.0° 8.51"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station HEALDSBURG, CA US (ID: USC00043875) • 6.4 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 HEALDSBURG, 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. 43.0 52.3 61.5 70.8 80.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2021: Annual mean 60.7°F 2022: Annual mean 61.1°F 2023: Annual mean 59.5°F 2024: Annual mean 61.4°F 2025: Annual mean 60.3°F 2020: Annual mean of daily highs 76.8°F 2021: Annual mean of daily highs 74.3°F 2022: Annual mean of daily highs 75.5°F 2023: Annual mean of daily highs 72.2°F 2024: Annual mean of daily highs 74.7°F 2025: Annual mean of daily highs 73.0°F 2021: Annual mean of daily lows 47.1°F 2022: Annual mean of daily lows 46.6°F 2023: Annual mean of daily lows 46.7°F 2024: Annual mean of daily lows 48.1°F 2025: Annual mean of daily lows 47.6°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 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable 76.8 Unavailable
2021 60.7 74.3 47.1
2022 61.1 75.5 46.6
2023 59.5 72.2 46.7
2024 61.4 74.7 48.1
2025 60.3 73.0 47.6
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.