Custer County Climate
Custer County, Nebraska
Avg Annual Temp
48.7°F
Annual Precip
24.2"
Annual Snowfall
30.0"
Extreme Heat Days
29.78571428571428
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Custer County Weather
Central Plains Weather Extremes
Custer County averages 48.7°F annually, making it cooler than the national median. It receives 24.2 inches of precipitation, reflecting its position in the transitional zone of the Great Plains.
A Snapshot of Nebraska’s Interior
The county's 48.7°F average temperature and 24.2 inches of precipitation sit just below the state averages. This makes Custer a representative example of central Nebraska's climate patterns.
Consistent Snowfall and Mid-Range Rain
Custer County sees 30.0 inches of snow annually, putting it on par with many northern Nebraska counties. Its 24.2 inches of rain is typical for the Sandhills transition zone.
Balanced Seasons with Snowy Winters
The county experiences 30 days of extreme heat each summer and 30 inches of snow each winter. Summer temperatures average 71.5°F, while winter averages drop to 26.2°F.
Prepare for Year-Round Variety
Residents need a versatile wardrobe to handle both 30 days of extreme heat and 30 inches of annual snow. Reliable 4WD vehicles are recommended for navigating rural roads during the winter season.
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.