Hanson County Climate
Hanson County, South Dakota
Avg Annual Temp
45.0°F
Annual Precip
25.3"
Annual Snowfall
36.3"
Extreme Heat Days
25.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hanson County Weather
Continental Extremes in the Heartland
Hanson County records an annual average temperature of 45.0°F, sitting about 10 degrees below the national median. This area is defined by sharp seasonal transitions and healthy annual precipitation levels.
Average Temperatures with Extra Rain
Hanson matches the state's thermal profile with an average of 45.0°F, just shy of the 45.6°F South Dakota mark. However, it is wetter than the average, receiving 25.3 inches of precipitation annually.
Milder Snowfall than Eastern Peers
Hanson County experiences 36.3 inches of annual snow, which is less than the 40.9 inches seen in Hamlin County. It stays slightly warmer in the summer too, with 25 days of 90°F heat compared to Hamlin’s nine.
Humid Summers and Chilly Winters
Summers are warm with a July average of 72.1°F and 25 extreme heat days. Winters are cold and snowy, with January temperatures averaging 15.5°F and annual snow reaching 36.3 inches.
Prepare for Seasonal Humidity Fluctuations
The 25.3 inches of rain can lead to humid summer conditions, making air conditioning a priority. Residents should also winterize their homes to protect against the 18.5°F winter average.
Frequently Asked Questions
What is the average temperature in Hanson County?
How much rain does Hanson County get?
Does it snow in Hanson County?
How hot does Hanson County get in summer?
How cold are winters in Hanson County?
Track your own weather in Hanson County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.