Campbell County Climate
Campbell County, South Dakota
Avg Annual Temp
44.3°F
Annual Precip
18.3"
Annual Snowfall
34.4"
Extreme Heat Days
22.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Campbell County Weather
Chilly North-Central Plains Living
Campbell County's average temperature of 44.3°F reflects a cool continental climate typical of the northern plains. This is significantly cooler than the national median, shaped by long, cold winters.
Cooler Than the State Average
At 44.3°F, Campbell County stays cooler than the South Dakota average of 45.6°F. It is also quite dry, receiving 18.3 inches of precipitation compared to the state average of 22.7 inches.
Typical Temperatures for the Region
Campbell’s climate closely tracks its neighbor Corson County, which averages 44.1°F. However, Campbell sees slightly fewer extreme heat days, with 23 days reaching 90°F or higher.
Sharp Temperature Swings Throughout the Year
Winter is intense here, with January averages plunging to 13.5°F and 34.4 inches of snow falling annually. Summers are warm but brief, peaking in July with an average of 72.6°F.
Winter Preparedness is Priority One
Heating systems must be robust to handle winter averages of 16.8°F from December through February. While summers reach 90°F frequently, the primary focus for residents is managing snow and extreme cold.
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.