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Knightsen CDP, California

Official LSAD Designation: Knightsen CDP • Census GEOID: 0638772 • Contra Costa County

Climate Normals & Weather Observations

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

Reference Weather Station: ANTIOCH PUMPING PLT #3, CA US (ID: USC00040232) • Located 5.8 miles from community center • Elevation: 18.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 55.7° 40.3° 48.0° 2.68"
February 60.8° 43.9° 52.3° 2.36"
March 66.5° 46.6° 56.5° 1.95"
April 72.1° 49.5° 60.8° 0.91"
May 79.0° 54.3° 66.6° 0.38"
June 86.3° 59.0° 72.6° 0.11"
July 91.4° 60.6° 76.0° 0.00"
August 90.2° 60.3° 75.2° 0.02"
September 86.7° 58.7° 72.7° 0.06"
October 77.5° 54.2° 65.9° 0.42"
November 64.6° 46.2° 55.4° 1.18"
December 55.8° 40.4° 48.1° 2.53"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station ANTIOCH PUMPING PLT #3, CA US (ID: USC00040232) • 5.8 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 ANTIOCH PUMPING PLT #3, 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. 48.0 55.8 63.5 71.3 79.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2013: Annual mean 62.9°F 2014: Annual mean 64.7°F 2015: Annual mean 64.0°F 2020: Annual mean 64.7°F 2013: Annual mean of daily highs 74.7°F 2014: Annual mean of daily highs 76.0°F 2015: Annual mean of daily highs 75.7°F 2020: Annual mean of daily highs 76.4°F 2013: Annual mean of daily lows 51.1°F 2014: Annual mean of daily lows 53.4°F 2015: Annual mean of daily lows 52.3°F 2020: Annual mean of daily lows 52.9°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 62.9 74.7 51.1
2014 64.7 76.0 53.4
2015 64.0 75.7 52.3
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 64.7 76.4 52.9
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.