Edmunds County Climate
Edmunds County, South Dakota
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
43.2°F
Annual Precip
20.8"
Annual Snowfall
40.4"
Extreme Heat Days
14
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,382
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Edmunds County
Climate Verdict
Edmunds County has a cool, averaging 43.2°F annually, semi-arid conditions with only 20.8 inches of annual precipitation, rare extreme heat with only 13.55 days above 90°F annually, moderate snowfall of 40.4 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 12.8°F. summers are warm — July averages 71.2°F. Residents experience a substantial 58°F difference between winter and summer.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Edmunds County closely matches the South Dakota statewide average temperature of 45.6°F, it is somewhat drier than average for South Dakota.
Climate Profile
About Edmunds County Weather
Cool and Dry Continental Climate
Edmunds County reports an annual average of 43.2°F, placing it firmly in the cooler tier of the United States. Its continental climate is marked by sharp seasonal contrasts and moderate precipitation.
Below the State Average
At 2.4 degrees below the South Dakota average of 45.6°F, Edmunds is among the cooler counties in the northern plains. This lower average is driven primarily by long, cold winter nights.
Moderate Snow and Average Rain
The county receives 20.8 inches of precipitation, which is slightly lower than the state average of 22.7 inches. Despite this, it still manages 40.4 inches of snow annually, which is typical for the region.
Manageable Summers, Harsh Winters
Summers are manageable with 14 days of 90-degree heat and a July average of 71.2°F. Winters are the defining season, with January temperatures averaging a chilly 12.8°F.
Focus on Home and Vehicle Prep
Reliable heating systems and vehicle winterization are essential for the sub-20°F winter average. Summer planning is simpler, as the moderate heat requires less intensive cooling than southern counties.
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.