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Ralston CDP, Wyoming

Official LSAD Designation: Ralston CDP • Census GEOID: 5663465 • Park County

Climate Normals & Weather Observations

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

Reference Weather Station: HEART MTN, WY US (ID: USC00484411) • Located 3.5 miles from community center • Elevation: 1,460.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 34.1° 12.5° 23.3° 0.29"
February 38.1° 14.7° 26.4° 0.42"
March 50.4° 24.0° 37.2° 0.56"
April 58.7° 31.1° 44.9° 0.84"
May 67.5° 40.7° 54.1° 1.81"
June 77.3° 47.5° 62.4° 1.54"
July 84.9° 54.1° 69.5° 0.90"
August 82.7° 52.5° 67.6° 0.54"
September 73.3° 43.7° 58.5° 0.88"
October 58.7° 33.3° 46.0° 0.87"
November 44.5° 21.9° 33.2° 0.34"
December 34.0° 13.5° 23.7° 0.32"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station POWELL FLD STN, WY US (ID: USC00487388) • 7.9 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00484411), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at POWELL FLD STN, 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. 23.0 33.5 44.0 54.5 65.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 43.9°F 2011: Annual mean 42.3°F 2012: Annual mean 47.0°F 2013: Annual mean 42.8°F 2014: Annual mean 43.0°F 2015: Annual mean 46.5°F 2016: Annual mean 47.0°F 2017: Annual mean 44.5°F 2018: Annual mean 42.0°F 2019: Annual mean 40.4°F 2020: Annual mean 43.9°F 2021: Annual mean 45.3°F 2010: Annual mean of daily highs 57.5°F 2011: Annual mean of daily highs 55.9°F 2012: Annual mean of daily highs 61.3°F 2013: Annual mean of daily highs 56.6°F 2014: Annual mean of daily highs 56.7°F 2015: Annual mean of daily highs 60.1°F 2016: Annual mean of daily highs 60.6°F 2017: Annual mean of daily highs 57.7°F 2018: Annual mean of daily highs 56.0°F 2019: Annual mean of daily highs 54.0°F 2020: Annual mean of daily highs 58.8°F 2021: Annual mean of daily highs 59.8°F 2010: Annual mean of daily lows 30.2°F 2011: Annual mean of daily lows 28.8°F 2012: Annual mean of daily lows 32.8°F 2013: Annual mean of daily lows 28.9°F 2014: Annual mean of daily lows 29.4°F 2015: Annual mean of daily lows 32.8°F 2016: Annual mean of daily lows 33.4°F 2017: Annual mean of daily lows 31.3°F 2018: Annual mean of daily lows 28.0°F 2019: Annual mean of daily lows 26.7°F 2020: Annual mean of daily lows 29.0°F 2021: Annual mean of daily lows 30.8°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 43.9 57.5 30.2
2011 42.3 55.9 28.8
2012 47.0 61.3 32.8
2013 42.8 56.6 28.9
2014 43.0 56.7 29.4
2015 46.5 60.1 32.8
2016 47.0 60.6 33.4
2017 44.5 57.7 31.3
2018 42.0 56.0 28.0
2019 40.4 54.0 26.7
2020 43.9 58.8 29.0
2021 45.3 59.8 30.8
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.