Edmunds County Climate
Edmunds County, South Dakota
Avg Annual Temp
43.2°F
Annual Precip
20.8"
Annual Snowfall
40.4"
Extreme Heat Days
13.55
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.