Clinton County Climate
Clinton County, Indiana
Avg Annual Temp
51.7°F
Annual Precip
43.3"
Annual Snowfall
24.1"
Extreme Heat Days
13.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Clinton County Weather
Temperate Middle America Climate
Clinton County averages 51.7°F annually, falling just below the national median. Its 43.3 inches of precipitation aligns closely with the typical rainfall for the eastern United States.
Typical Indiana Temperatures
The county temperature is very close to the state average of 52.2°F. It represents the standard climate transition found in the heart of the Hoosier state.
Warmer than Northern Neighbors
Clinton is over a degree warmer on average than Cass County to the north. It also receives about 2 more inches of snow annually than its northern neighbor.
Balanced Seasonal Extremes
The county experiences 24.1 inches of snow during a 29.3°F winter season. Summer temperatures peak in July at 73.6°F with 13 days of extreme heat.
Equip for Snow and Humidity
Residents should invest in winter tires and insulation for the 24.1 inches of annual snowfall. Modern HVAC systems help manage the humidity during the 13 days of 90°F heat.
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.