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Fairfield city, Idaho

Official LSAD Designation: Fairfield city • Census GEOID: 1626290 • Camas County

Climate Normals & Weather Observations

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

Reference Weather Station: FAIRFIELD RS, ID US (ID: USC00103108) • Located 0.7 miles from community center • Elevation: 1,543.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 27.3° 9.2° 18.3° 2.11"
February 31.3° 11.7° 21.5° 1.50"
March 40.7° 20.6° 30.7° 1.61"
April 53.8° 30.1° 42.0° 1.11"
May 64.5° 38.1° 51.3° 1.60"
June 73.0° 43.3° 58.2° 0.85"
July 84.0° 50.1° 67.0° 0.38"
August 82.8° 48.3° 65.5° 0.35"
September 73.8° 39.5° 56.7° 0.70"
October 59.0° 30.1° 44.5° 0.97"
November 41.7° 20.3° 31.0° 1.39"
December 28.0° 10.0° 19.0° 1.98"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station FAIRFIELD RS, ID US (ID: USC00103108) • 0.7 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 FAIRFIELD RS, ID 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. 24.0 33.3 42.5 51.8 61.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 41.8°F 2011: Annual mean 41.5°F 2019: Annual mean 40.5°F 2024: Annual mean 43.0°F 2025: Annual mean 43.4°F 2010: Annual mean of daily highs 55.0°F 2011: Annual mean of daily highs 54.8°F 2019: Annual mean of daily highs 53.4°F 2024: Annual mean of daily highs 57.3°F 2025: Annual mean of daily highs 57.3°F 2010: Annual mean of daily lows 28.7°F 2011: Annual mean of daily lows 28.1°F 2019: Annual mean of daily lows 27.5°F 2024: Annual mean of daily lows 28.7°F 2025: Annual mean of daily lows 29.5°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 41.8 55.0 28.7
2011 41.5 54.8 28.1
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 40.5 53.4 27.5
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 43.0 57.3 28.7
2025 43.4 57.3 29.5
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.