Cheyenne County Climate
Cheyenne County, Nebraska
Avg Annual Temp
49.0°F
Annual Precip
18.3"
Annual Snowfall
35.1"
Extreme Heat Days
42.02
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cheyenne County Weather
A Cool and Semiarid High Plains Climate
Cheyenne County maintains an annual average temperature of 49.0°F, which sits notably lower than the national median. The region is significantly drier than much of the country, recording only 18.3 inches of annual precipitation.
Cooler than the Nebraska Average
The county's 49.0°F average temperature falls below the Nebraska state average of 49.7°F. This reflects the higher elevation and western position of the county compared to the warmer eastern plains.
High Elevation Weather Patterns
Cheyenne County experiences a rugged climate with 35.1 inches of annual snowfall, which is significantly higher than counties further east. Its 18.3 inches of rain also makes it one of the drier agricultural zones in the state.
Sharp Seasonal Contrasts and High Heat
Despite a cool annual average, the county faces 42 extreme heat days over 90°F annually. Winters are chilly with a 28.5°F average, while summers peak with a July average of 74.0°F.
Prepare for Snow and Sun
Residents must maintain high-performance HVAC systems to handle 42 days of extreme summer heat. Heavy-duty snow removal equipment is also essential to manage the 35.1 inches of annual snowfall.
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.