Clinton County Climate
Clinton County, Indiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
51.7°F
Annual Precip
43.3"
Annual Snowfall
24.1"
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,326
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Clinton County
Climate Verdict
Clinton County has a mild, with an average annual temperature of 51.7°F, moderately wet with 43.3 inches of annual precipitation, rare extreme heat with only 13.4 days above 90°F annually, moderate snowfall of 24.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.3°F. summers are warm — July averages 73.6°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Clinton County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Clinton County closely matches the Indiana statewide average temperature of 52.4°F.
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
What is the average temperature in Clinton County?
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Does it snow in Clinton County?
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.