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Fairfax town, South Dakota

Official LSAD Designation: Fairfax town • Census GEOID: 4620380 • Gregory County

Climate Normals & Weather Observations

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

Reference Weather Station: BONESTEEL, SD US (ID: USC00390778) • Located 4.6 miles from community center • Elevation: 605.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 31.3° 10.7° 21.0° 0.40"
February 35.5° 13.7° 24.6° 0.73"
March 46.8° 22.6° 34.7° 1.42"
April 57.9° 33.6° 45.7° 3.10"
May 69.1° 45.2° 57.1° 4.30"
June 79.8° 57.1° 68.4° 3.90"
July 86.5° 61.8° 74.1° 3.16"
August 84.8° 60.1° 72.4° 2.79"
September 76.4° 50.7° 63.6° 2.91"
October 61.9° 37.4° 49.7° 1.97"
November 46.8° 24.2° 35.5° 0.92"
December 34.1° 14.7° 24.4° 0.33"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BUTTE, NE US (ID: USC00251365) • 8.2 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00390778), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at BUTTE, NE 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. 30.0 39.8 49.5 59.3 69.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 46.6°F 2012: Annual mean 51.2°F 2013: Annual mean 45.1°F 2015: Annual mean 49.0°F 2016: Annual mean 49.9°F 2017: Annual mean 48.7°F 2018: Annual mean 46.3°F 2020: Annual mean 48.9°F 2021: Annual mean 50.3°F 2011: Annual mean of daily highs 58.4°F 2012: Annual mean of daily highs 65.0°F 2013: Annual mean of daily highs 56.6°F 2015: Annual mean of daily highs 60.6°F 2016: Annual mean of daily highs 61.5°F 2017: Annual mean of daily highs 60.1°F 2018: Annual mean of daily highs 56.7°F 2020: Annual mean of daily highs 60.6°F 2021: Annual mean of daily highs 61.9°F 2011: Annual mean of daily lows 34.7°F 2012: Annual mean of daily lows 37.5°F 2013: Annual mean of daily lows 33.6°F 2015: Annual mean of daily lows 37.4°F 2016: Annual mean of daily lows 38.3°F 2017: Annual mean of daily lows 37.2°F 2018: Annual mean of daily lows 36.0°F 2020: Annual mean of daily lows 37.3°F 2021: Annual mean of daily lows 38.7°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 Unavailable Unavailable Unavailable
2011 46.6 58.4 34.7
2012 51.2 65.0 37.5
2013 45.1 56.6 33.6
2014 Unavailable Unavailable Unavailable
2015 49.0 60.6 37.4
2016 49.9 61.5 38.3
2017 48.7 60.1 37.2
2018 46.3 56.7 36.0
2019 Unavailable Unavailable Unavailable
2020 48.9 60.6 37.3
2021 50.3 61.9 38.7
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.