Davison County Climate
Davison County, South Dakota
Avg Annual Temp
47.4°F
Annual Precip
23.5"
Annual Snowfall
40.6"
Extreme Heat Days
27.833333333333332
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Davison County Weather
A Typical Great Plains Continental Climate
Davison County's 47.4°F annual average sits below the national median, reflecting a classic humid continental climate. The region experiences wide thermal swings and distinct seasonal transitions common to the American interior.
Among South Dakota's Warmer Counties
With an average temperature nearly 2 degrees above the South Dakota average of 45.6°F, Davison is among the warmer regions in the state. It ranks in the top tier for warmth compared to its chillier northern peers.
Wetter and Warmer than the State Average
The county receives 23.5 inches of precipitation annually, slightly outpacing the state average of 22.7 inches. This creates a slightly more humid profile than the drier counties found further west.
Hot Summers and Snowy Winters
Summers are intense with 28 days hitting 90°F or higher and July averages reaching 75.0°F. Winters balance the heat with 40.6 inches of snow and a chilly January average of 18.2°F.
Prepare for Seasonal Extremes
Residents should plan for heavy snow removal and high cooling costs during the frequent 90-degree summer days. A robust HVAC system and reliable winter tires are essential for navigating this variable climate.
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.