Weston County Climate
Weston County, Wyoming
Avg Annual Temp
45.3°F
Annual Precip
16.0"
Annual Snowfall
42.6"
Extreme Heat Days
33.36666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Weston County Weather
High Plains Warmth in Weston
Weston County averages 45.3°F, making it one of the warmer spots in Wyoming, though it remains 8 degrees below the national median. Its location on the eastern plains invites more summer heat.
Leading the State in Temperature
Weston exceeds the state average temperature of 43.8°F by 1.5 degrees. It also receives 16.0 inches of precipitation, making it slightly wetter than the Wyoming average.
A Warm Eastern Neighbor
Weston is warmer and drier than Sheridan County to its west. It records 33 days of extreme heat, significantly more than the high-altitude counties in the state's interior.
Hot Summers and Brisk Snow
July averages 72.2°F with 33 days reaching over 90°F annually. Winters bring a January average of 22.2°F and a manageable 42.6 inches of annual snowfall.
Prepare for Both Extremes
Residents should plan for a month of extreme summer heat and cold winter nights averaging 23.2°F. Proper home insulation and cooling systems are both necessary for year-round comfort.
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.