Aurora County Climate
Aurora County, South Dakota
Avg Annual Temp
46.1°F
Annual Precip
23.9"
Annual Snowfall
37.7"
Extreme Heat Days
26.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Aurora County Weather
A Classic Cool Continental Climate
Aurora County averages 46.1°F annually, falling well below the national median of approximately 53°F. This humid continental region experiences sharp seasonal transitions and moderate precipitation of 23.9 inches.
Slightly Warmer Than the South Dakota Average
At 46.1°F, Aurora sits just above the South Dakota state average of 45.6°F. It ranks in the warmer half of the state's 66 counties, benefiting from its position in the southeastern quadrant.
Wetter Than Its Western Neighbors
Aurora's 23.9 inches of annual precipitation is significantly higher than neighboring Buffalo County's 20.1 inches. However, its 37.7 inches of annual snowfall is lower than many counties further north.
A Land of Extreme Temperature Swings
Residents endure 26 extreme heat days over 90°F during the 73.9°F July peak. Winters are harsh, with January temperatures averaging 17.7°F and nearly 38 inches of annual snow.
Equipping for Snow and Summer Sun
Heavy-duty snow removal equipment is essential to manage the 37.7 inches of average annual snowfall. High-efficiency cooling is also vital for the nearly four weeks of extreme summer heat.
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.