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Corvallis CDP, Montana

Official LSAD Designation: Corvallis CDP • Census GEOID: 3017725 • Ravalli County

Climate Normals & Weather Observations

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

Reference Weather Station: WESTERN AG RSCH CTR, MT US (ID: USC00248783) • Located 1.6 miles from community center • Elevation: 1,099.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 35.8° 19.0° 27.4° 0.66"
February 40.6° 21.2° 30.9° 0.64"
March 49.4° 26.3° 37.8° 0.78"
April 57.3° 31.8° 44.6° 0.99"
May 67.0° 38.8° 52.9° 1.55"
June 74.6° 44.9° 59.8° 1.69"
July 85.5° 50.1° 67.8° 0.77"
August 84.0° 48.0° 66.0° 0.84"
September 73.1° 41.1° 57.1° 0.93"
October 57.7° 32.0° 44.8° 0.80"
November 43.0° 23.7° 33.3° 0.92"
December 34.5° 17.9° 26.2° 0.87"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station WESTERN AG RSCH CTR, MT US (ID: USC00248783) • 1.6 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 WESTERN AG RSCH CTR, 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. 30.0 38.3 46.5 54.8 63.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 45.4°F 2011: Annual mean 45.4°F 2012: Annual mean 47.6°F 2013: Annual mean 46.7°F 2014: Annual mean 46.4°F 2016: Annual mean 47.3°F 2010: Annual mean of daily highs 57.4°F 2011: Annual mean of daily highs 57.5°F 2012: Annual mean of daily highs 60.2°F 2013: Annual mean of daily highs 59.8°F 2014: Annual mean of daily highs 59.1°F 2016: Annual mean of daily highs 60.1°F 2010: Annual mean of daily lows 33.3°F 2011: Annual mean of daily lows 33.3°F 2012: Annual mean of daily lows 35.0°F 2013: Annual mean of daily lows 33.5°F 2014: Annual mean of daily lows 33.8°F 2016: Annual mean of daily lows 34.5°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 45.4 57.4 33.3
2011 45.4 57.5 33.3
2012 47.6 60.2 35.0
2013 46.7 59.8 33.5
2014 46.4 59.1 33.8
2015 Unavailable Unavailable Unavailable
2016 47.3 60.1 34.5
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
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.