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Fairfield town, Montana

Official LSAD Designation: Fairfield town • Census GEOID: 3025225 • Teton County

Climate Normals & Weather Observations

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

Reference Weather Station: FAIRFIELD, MT US (ID: USC00242857) • Located 0.2 miles from community center • Elevation: 1,214.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 35.7° 16.5° 26.1° 0.34"
February 36.4° 17.1° 26.8° 0.43"
March 44.8° 23.9° 34.3° 0.60"
April 52.8° 31.5° 42.2° 1.36"
May 62.3° 40.7° 51.5° 2.12"
June 69.5° 47.6° 58.5° 2.63"
July 79.7° 53.3° 66.5° 1.08"
August 79.0° 51.9° 65.5° 1.05"
September 68.5° 44.0° 56.3° 1.23"
October 55.3° 33.9° 44.6° 0.74"
November 42.7° 24.9° 33.8° 0.46"
December 35.3° 17.9° 26.6° 0.33"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station FAIRFIELD, MT US (ID: USC00242857) • 0.2 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, MT 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. 28.0 36.0 44.0 52.0 60.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 43.9°F 2011: Annual mean 44.1°F 2013: Annual mean 45.6°F 2014: Annual mean 44.5°F 2019: Annual mean 41.3°F 2020: Annual mean 45.1°F 2022: Annual mean 43.8°F 2010: Annual mean of daily highs 54.9°F 2011: Annual mean of daily highs 55.3°F 2013: Annual mean of daily highs 56.8°F 2014: Annual mean of daily highs 55.1°F 2019: Annual mean of daily highs 51.2°F 2020: Annual mean of daily highs 55.9°F 2022: Annual mean of daily highs 54.9°F 2010: Annual mean of daily lows 32.9°F 2011: Annual mean of daily lows 32.9°F 2013: Annual mean of daily lows 34.5°F 2014: Annual mean of daily lows 33.9°F 2019: Annual mean of daily lows 31.3°F 2020: Annual mean of daily lows 34.4°F 2022: Annual mean of daily lows 32.6°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 43.9 54.9 32.9
2011 44.1 55.3 32.9
2012 Unavailable Unavailable Unavailable
2013 45.6 56.8 34.5
2014 44.5 55.1 33.9
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 41.3 51.2 31.3
2020 45.1 55.9 34.4
2021 Unavailable Unavailable Unavailable
2022 43.8 54.9 32.6
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.