Park County Climate
Park County, Wyoming
Avg Annual Temp
42.4°F
Annual Precip
13.8"
Annual Snowfall
54.3"
Extreme Heat Days
11.22307692307692
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Park County Weather
Chilly Gateway to the Mountains
Park County averages a cool 42.4°F annually, falling more than 10 degrees below the national median temperature. It is a classic semi-arid mountain climate with only 13.8 inches of annual precipitation.
Cooler than the Wyoming Median
Park County’s 42.4°F average is 1.4 degrees lower than the statewide average of 43.8°F. The high elevation of the Absaroka and Beartooth ranges keeps the regional climate consistently brisk.
A Cold Spot in the North
Park County is significantly colder than neighboring Hot Springs County, which averages 45.6°F. It maintains a climate profile more similar to the high mountain counties of the western border.
Mild Summers and Snowy Winters
The area enjoys mild summers with only 11 days of extreme heat and a July average of 65.7°F. Winters are the main event, featuring 54.3 inches of snow and average December-February temperatures of 23.3°F.
Winterize for the Long Haul
With over 50 inches of snow and very few hot days, residents should prioritize home insulation and high-quality winter tires. Summer cooling is less of a concern, as temperatures rarely exceed 90°F.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.