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Pendroy CDP, Montana

Official LSAD Designation: Pendroy CDP • Census GEOID: 3056875 • Teton County

Climate Normals & Weather Observations

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

Reference Weather Station: BYNUM 4 SSE, MT US (ID: USC00241342) • Located 10.2 miles from community center • Elevation: 1,231.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 36.0° 14.3° 25.2° 0.60"
February 35.8° 15.2° 25.5° 0.43"
March 43.6° 20.7° 32.2° 1.06"
April 51.3° 29.2° 40.3° 2.11"
May 61.6° 38.8° 50.2° 2.64"
June 70.5° 46.5° 58.5° 2.49"
July 80.3° 52.1° 66.2° 1.55"
August 79.3° 51.4° 65.4° 1.32"
September 69.6° 43.2° 56.4° 1.19"
October 55.0° 32.0° 43.5° 1.02"
November 43.0° 23.1° 33.1° 0.49"
December 34.5° 16.3° 25.4° 0.44"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BYNUM 4 SSE, MT US (ID: USC00241342) • 10.2 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 BYNUM 4 SSE, 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. 26.0 34.8 43.5 52.3 61.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 45.1°F 2013: Annual mean 44.4°F 2015: Annual mean 46.2°F 2016: Annual mean 45.6°F 2017: Annual mean 43.6°F 2018: Annual mean 42.1°F 2019: Annual mean 39.7°F 2020: Annual mean 43.5°F 2021: Annual mean 43.6°F 2023: Annual mean 44.9°F 2012: Annual mean of daily highs 57.0°F 2013: Annual mean of daily highs 56.5°F 2015: Annual mean of daily highs 58.0°F 2016: Annual mean of daily highs 56.7°F 2017: Annual mean of daily highs 55.0°F 2018: Annual mean of daily highs 53.3°F 2019: Annual mean of daily highs 50.3°F 2020: Annual mean of daily highs 55.1°F 2021: Annual mean of daily highs 55.5°F 2023: Annual mean of daily highs 56.2°F 2012: Annual mean of daily lows 33.2°F 2013: Annual mean of daily lows 32.3°F 2015: Annual mean of daily lows 34.4°F 2016: Annual mean of daily lows 34.4°F 2017: Annual mean of daily lows 32.3°F 2018: Annual mean of daily lows 30.8°F 2019: Annual mean of daily lows 29.1°F 2020: Annual mean of daily lows 31.9°F 2021: Annual mean of daily lows 31.7°F 2023: Annual mean of daily lows 33.5°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 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 45.1 57.0 33.2
2013 44.4 56.5 32.3
2014 Unavailable Unavailable Unavailable
2015 46.2 58.0 34.4
2016 45.6 56.7 34.4
2017 43.6 55.0 32.3
2018 42.1 53.3 30.8
2019 39.7 50.3 29.1
2020 43.5 55.1 31.9
2021 43.6 55.5 31.7
2022 Unavailable Unavailable Unavailable
2023 44.9 56.2 33.5
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.