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Colstrip city, Montana

Official LSAD Designation: Colstrip city • Census GEOID: 3016525 • Rosebud County

Climate Normals & Weather Observations

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

Reference Weather Station: COLSTRIP, MT US (ID: USC00241905) • Located 0.3 miles from community center • Elevation: 980.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 35.8° 13.5° 24.7° 0.65"
February 37.1° 15.1° 26.1° 0.69"
March 47.1° 23.9° 35.5° 0.95"
April 55.4° 31.9° 43.7° 1.92"
May 64.9° 41.9° 53.4° 3.14"
June 74.9° 50.8° 62.9° 2.48"
July 85.0° 57.2° 71.1° 1.42"
August 84.0° 55.2° 69.6° 1.03"
September 73.4° 45.8° 59.6° 1.43"
October 58.1° 33.7° 45.9° 1.44"
November 45.9° 23.6° 34.8° 0.69"
December 36.6° 15.3° 26.0° 0.56"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station COLSTRIP, MT US (ID: USC00241905) • 0.3 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 COLSTRIP, 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 37.5 47.0 56.5 66.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 45.6°F 2011: Annual mean 45.5°F 2012: Annual mean 49.0°F 2013: Annual mean 45.6°F 2014: Annual mean 45.3°F 2015: Annual mean 48.2°F 2016: Annual mean 48.5°F 2017: Annual mean 46.9°F 2018: Annual mean 44.1°F 2019: Annual mean 42.8°F 2020: Annual mean 46.7°F 2010: Annual mean of daily highs 57.3°F 2011: Annual mean of daily highs 57.1°F 2012: Annual mean of daily highs 62.1°F 2013: Annual mean of daily highs 57.1°F 2014: Annual mean of daily highs 56.9°F 2015: Annual mean of daily highs 60.8°F 2016: Annual mean of daily highs 60.5°F 2017: Annual mean of daily highs 59.1°F 2018: Annual mean of daily highs 55.5°F 2019: Annual mean of daily highs 54.4°F 2020: Annual mean of daily highs 59.4°F 2010: Annual mean of daily lows 34.0°F 2011: Annual mean of daily lows 33.9°F 2012: Annual mean of daily lows 36.0°F 2013: Annual mean of daily lows 34.0°F 2014: Annual mean of daily lows 33.8°F 2015: Annual mean of daily lows 35.6°F 2016: Annual mean of daily lows 36.6°F 2017: Annual mean of daily lows 34.8°F 2018: Annual mean of daily lows 32.6°F 2019: Annual mean of daily lows 31.2°F 2020: Annual mean of daily lows 34.1°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 45.6 57.3 34.0
2011 45.5 57.1 33.9
2012 49.0 62.1 36.0
2013 45.6 57.1 34.0
2014 45.3 56.9 33.8
2015 48.2 60.8 35.6
2016 48.5 60.5 36.6
2017 46.9 59.1 34.8
2018 44.1 55.5 32.6
2019 42.8 54.4 31.2
2020 46.7 59.4 34.1
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.