Hughes County Climate
Hughes County, South Dakota
Avg Annual Temp
45.6°F
Annual Precip
19.9"
Annual Snowfall
40.2"
Extreme Heat Days
34.85
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hughes County Weather
A Classic Semi-Arid Plains Climate
Hughes County maintains an annual average temperature of 45.6°F, which is notably cooler than the national median. This central South Dakota region experiences wide temperature swings and relatively low annual moisture.
The Benchmark for South Dakota
Hughes County sits exactly at the South Dakota state average of 45.6°F for annual temperature. Its 19.9 inches of precipitation is slightly lower than the statewide average of 22.7 inches.
More Extreme Heat than Hand
Hughes County is hotter in the summer than neighboring Hand County, logging 35 days above 90°F compared to Hand's 20 days. It is also drier, receiving 19.9 inches of rain while Hand gets 22.3 inches.
Intense Heat and Moderate Snow
July is hot with an average of 73.8°F and 35 days of extreme heat. Winter brings 40.2 inches of snowfall and a January average of 17.1°F, creating a true four-season experience.
Dual-Season System Maintenance
Air conditioning is critical for the five weeks of 90°F temperatures seen each summer. Homeowners should also ensure heaters can handle the 19.9°F winter average and manage the 40.2 inches of annual snow.
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.