Davison County Climate
Davison County, South Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.4°F
Annual Precip
23.5"
Annual Snowfall
40.6"
Extreme Heat Days
28
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
3,011
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Davison County
Climate Verdict
Davison County has a cool, averaging 47.4°F annually, semi-arid conditions with only 23.5 inches of annual precipitation, occasional hot days — 27.833333333333332 per year above 90°F, moderate snowfall of 40.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 18.2°F. summers are warm — July averages 75.0°F. Residents experience a substantial 57°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Davison County closely matches the South Dakota statewide average temperature of 45.6°F.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.