Spink County Climate
Spink County, South Dakota
Avg Annual Temp
43.7°F
Annual Precip
22.8"
Annual Snowfall
32.2"
Extreme Heat Days
16.775
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Spink County Weather
A Classic Northern Continental Climate
Spink County averages 43.7°F annually, which is significantly cooler than the national median. This temperature reflects its position in the northern plains' interior, far from moderating ocean influences.
Cooler Than the South Dakota Average
The county's 43.7°F average sits nearly two degrees below the state average of 45.6°F. It represents a transition point between the state's warmer southern tier and its cold northern border.
Balanced Moisture Among Regional Neighbors
With 22.8 inches of annual precipitation, Spink matches the state average almost exactly. It stays notably wetter than western neighbors like Stanley County, which receives only 18.3 inches.
Biting Winters and Mild Summers
January is harsh with a 12.5°F average, while summers remain comfortable with an average of 69.5°F. Residents typically see 17 days of extreme heat above 90°F and 32.2 inches of annual snow.
Prepare for Deep Winter Freezes
High-efficiency home insulation is essential to combat the 15.8°F winter average. Outdoor planning is best reserved for the mild summer months when humidity remains manageable.
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.