Climate change in Harding County, South Dakota
Since 1979, Harding County, South Dakota has warmed 2.3°F, with 9 more days above 90°F, about the same number of nights above 70°F and 17% more precipitation a year. Its climate in 1996–2025 is most like Butte County, SD's was in 1951–1980.
- Average temperature: +2.3°F
- Summer highs (Jun–Aug): +2.8°F
- Winter lows (Dec–Feb): +3.0°F
- Precipitation: +17%
- Wettest day of the year: −1%
- Longest dry spell: −8 days
- Days above 90°F: +9 days
- Nights above 70°F: −0 days
- Freezing nights: −8 days
- Frost-free season: +25 days
- Muggy days: +1 days
- Summer heat index (Jun–Aug): +3.1°F
- Extreme fire-weather days: +4 days
- Snowfall: +19%
- Snowy days (1 inch or more): +2 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.