Skip to main content

West Yellowstone town, Montana

Official LSAD Designation: West Yellowstone town • Census GEOID: 3079525 • Gallatin County

Climate Normals & Weather Observations

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

Reference Weather Station: W YELLOWSTONE GATEWAY, MT US (ID: USC00248858) • Located 0.9 miles from community center • Elevation: 2,035.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 26.8° 0.2° 13.5° 2.28"
February 31.2° 1.5° 16.4° 2.06"
March 39.7° 9.1° 24.4° 2.17"
April 47.7° 20.7° 34.2° 2.31"
May 59.2° 28.5° 43.9° 2.70"
June 68.4° 33.9° 51.2° 2.49"
July 79.7° 39.2° 59.4° 1.30"
August 77.9° 36.2° 57.0° 1.39"
September 67.6° 29.6° 48.6° 1.69"
October 50.8° 21.4° 36.1° 1.92"
November 35.9° 11.4° 23.6° 2.61"
December 25.8° 2.7° 14.2° 3.05"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station W YELLOWSTONE GATEWAY, MT US (ID: USC00248858) • 0.9 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 W YELLOWSTONE GATEWAY, 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. 13.0 23.8 34.5 45.3 56.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 34.5°F 2011: Annual mean 33.0°F 2012: Annual mean 35.9°F 2013: Annual mean 34.6°F 2021: Annual mean 36.3°F 2022: Annual mean 33.7°F 2010: Annual mean of daily highs 50.4°F 2011: Annual mean of daily highs 48.4°F 2012: Annual mean of daily highs 52.4°F 2013: Annual mean of daily highs 50.3°F 2016: Annual mean of daily highs 51.9°F 2021: Annual mean of daily highs 52.4°F 2022: Annual mean of daily highs 50.5°F 2010: Annual mean of daily lows 18.6°F 2011: Annual mean of daily lows 17.6°F 2012: Annual mean of daily lows 19.4°F 2013: Annual mean of daily lows 18.9°F 2015: Annual mean of daily lows 21.1°F 2021: Annual mean of daily lows 20.2°F 2022: Annual mean of daily lows 16.9°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 34.5 50.4 18.6
2011 33.0 48.4 17.6
2012 35.9 52.4 19.4
2013 34.6 50.3 18.9
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable 21.1
2016 Unavailable 51.9 Unavailable
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 36.3 52.4 20.2
2022 33.7 50.5 16.9
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.