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Fort Irwin CDP, California

Official LSAD Designation: Fort Irwin CDP • Census GEOID: 0625114 • San Bernardino County

Climate Normals & Weather Observations

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

Reference Weather Station: BARSTOW DAGGETT AP, CA US (ID: USW00023161) • Located 27.8 miles from community center • Elevation: 584.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 61.4° 36.2° 48.8° 0.57"
February 65.5° 40.1° 52.8° 0.70"
March 72.6° 45.6° 59.1° 0.43"
April 79.5° 51.3° 65.4° 0.22"
May 88.9° 59.5° 74.2° 0.05"
June 99.4° 67.9° 83.6° 0.03"
July 105.0° 74.2° 89.6° 0.28"
August 103.9° 73.1° 88.5° 0.20"
September 96.3° 66.0° 81.1° 0.17"
October 83.2° 54.4° 68.8° 0.24"
November 69.6° 42.5° 56.1° 0.32"
December 59.9° 35.0° 47.4° 0.56"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BARSTOW DAGGETT AP, CA US (ID: USW00023161) • 27.8 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 BARSTOW DAGGETT 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. 49.0 58.8 68.5 78.3 88.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 67.0°F 2011: Annual mean 66.7°F 2012: Annual mean 69.3°F 2013: Annual mean 68.4°F 2014: Annual mean 70.4°F 2015: Annual mean 69.4°F 2016: Annual mean 69.2°F 2017: Annual mean 69.4°F 2018: Annual mean 69.4°F 2020: Annual mean 69.6°F 2021: Annual mean 69.9°F 2022: Annual mean 69.4°F 2023: Annual mean 67.1°F 2024: Annual mean 70.2°F 2025: Annual mean 69.6°F 2010: Annual mean of daily highs 80.6°F 2011: Annual mean of daily highs 80.9°F 2012: Annual mean of daily highs 83.8°F 2013: Annual mean of daily highs 82.4°F 2014: Annual mean of daily highs 84.4°F 2015: Annual mean of daily highs 83.2°F 2016: Annual mean of daily highs 83.3°F 2017: Annual mean of daily highs 83.7°F 2018: Annual mean of daily highs 83.6°F 2020: Annual mean of daily highs 84.3°F 2021: Annual mean of daily highs 84.1°F 2022: Annual mean of daily highs 83.2°F 2023: Annual mean of daily highs 80.6°F 2024: Annual mean of daily highs 84.2°F 2025: Annual mean of daily highs 83.5°F 2010: Annual mean of daily lows 53.3°F 2011: Annual mean of daily lows 52.5°F 2012: Annual mean of daily lows 54.8°F 2013: Annual mean of daily lows 54.5°F 2014: Annual mean of daily lows 56.4°F 2015: Annual mean of daily lows 55.5°F 2016: Annual mean of daily lows 55.2°F 2017: Annual mean of daily lows 55.1°F 2018: Annual mean of daily lows 55.1°F 2020: Annual mean of daily lows 54.8°F 2021: Annual mean of daily lows 55.7°F 2022: Annual mean of daily lows 55.5°F 2023: Annual mean of daily lows 53.5°F 2024: Annual mean of daily lows 56.1°F 2025: Annual mean of daily lows 55.7°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 67.0 80.6 53.3
2011 66.7 80.9 52.5
2012 69.3 83.8 54.8
2013 68.4 82.4 54.5
2014 70.4 84.4 56.4
2015 69.4 83.2 55.5
2016 69.2 83.3 55.2
2017 69.4 83.7 55.1
2018 69.4 83.6 55.1
2019 Unavailable Unavailable Unavailable
2020 69.6 84.3 54.8
2021 69.9 84.1 55.7
2022 69.4 83.2 55.5
2023 67.1 80.6 53.5
2024 70.2 84.2 56.1
2025 69.6 83.5 55.7
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.