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Casper Mountain CDP, Wyoming

Official LSAD Designation: Casper Mountain CDP • Census GEOID: 5613222 • Natrona County

Climate Normals & Weather Observations

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

Reference Weather Station: CASPER 1SW, WY US (ID: USC00481572) • Located 7.7 miles from community center • Elevation: 1,567.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 37.3° 16.4° 26.9° 0.51"
February 38.8° 16.9° 27.9° 1.03"
March 49.7° 24.6° 37.2° 1.57"
April 55.9° 31.2° 43.6° 1.78"
May 64.6° 39.8° 52.2° 2.77"
June 77.9° 50.0° 64.0° 1.48"
July 87.2° 57.4° 72.3° 1.17"
August 85.7° 54.4° 70.1° 1.04"
September 75.1° 45.1° 60.1° 1.20"
October 60.1° 34.2° 47.2° 1.68"
November 48.0° 25.8° 36.9° 0.86"
December 36.7° 17.0° 26.9° 0.79"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station CASPER 1SW, WY US (ID: USC00481572) • 7.7 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 CASPER 1SW, WY 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 38.8 47.5 56.3 65.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2016: Annual mean 48.8°F 2017: Annual mean 48.3°F 2018: Annual mean 47.2°F 2019: Annual mean 45.6°F 2020: Annual mean 48.2°F 2016: Annual mean of daily highs 61.5°F 2017: Annual mean of daily highs 60.8°F 2018: Annual mean of daily highs 60.0°F 2019: Annual mean of daily highs 57.7°F 2020: Annual mean of daily highs 61.4°F 2016: Annual mean of daily lows 36.1°F 2017: Annual mean of daily lows 35.9°F 2018: Annual mean of daily lows 34.3°F 2019: Annual mean of daily lows 33.5°F 2020: Annual mean of daily lows 35.0°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 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 48.8 61.5 36.1
2017 48.3 60.8 35.9
2018 47.2 60.0 34.3
2019 45.6 57.7 33.5
2020 48.2 61.4 35.0
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.