Perkins County Climate
Perkins County, South Dakota
Avg Annual Temp
44.1°F
Annual Precip
17.7"
Annual Snowfall
41.0"
Extreme Heat Days
26.05
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Perkins County Weather
A Cool and Arid Western Climate
Perkins County averages 44.1°F annually, which is notably cooler than the national median of 54°F. The climate is distinctly semi-arid, featuring limited precipitation and wide temperature swings.
Colder and Drier Than the Average
The county stays cooler than the 45.6°F state average and is significantly drier. Perkins receives only 17.7 inches of precipitation annually, 5 inches less than the South Dakota average.
Sparse Rainfall Compared to Central Districts
With only 17.7 inches of annual moisture, Perkins is drier than Potter or Sanborn. However, it experiences more extreme heat than its eastern neighbors, logging 26 days above 90°F.
Hot July Days and Snowy Winters
Summer brings 26 extreme heat days, pushing the July average to 70.8°F. Winter is equally impactful, delivering 41.0 inches of snow and an average winter temperature of 20.1°F.
Managing Heat and Arid Conditions
Efficient cooling systems are necessary to handle nearly a month of 90-degree weather. Homeowners should also prepare for 41 inches of snow and use drought-resistant plants for their gardens.
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.