Clinton County Climate
Clinton County, Ohio
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.3°F
Annual Precip
42.8"
Annual Snowfall
22.8"
Extreme Heat Days
13
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,320
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 52.3°F, moderately wet with 42.8 inches of annual precipitation, rare extreme heat with only 13.05 days above 90°F annually, moderate snowfall of 22.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 28.7°F. summers are warm — July averages 73.4°F. The 45°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 Ohio statewide average temperature of 51.5°F.
Climate Profile
About Clinton County Weather
Temperate and Consistently Moist
Clinton County’s 52.3°F average temperature sits right at the national median for temperate climates. It combines moderate heat with a significant 42.8 inches of annual precipitation.
Above Average State Warmth
At 52.3°F, Clinton is warmer than the state average of 51.5°F. It also receives about 1.6 inches more annual precipitation than the typical Ohio county.
Cooler Summers Than Butler
While Butler County swelters with 32 extreme heat days, Clinton enjoys a milder summer with only 13 days over 90°F. However, it sees much more snow than Butler, averaging 22.8 inches compared to Butler's 9.7.
Snowy Winters and Mild Summers
Winter brings 22.8 inches of snow and a January average of 28.7°F. Summers are pleasant with a July average of 73.4°F, though the humidity stays high with 42.8 inches of annual rain.
Prepare for Winter Snow
The nearly 23 inches of annual snow requires reliable snow tires or a sturdy shovel. Because extreme heat is less common here than in neighboring counties, focus your home upgrades on winter insulation.
Frequently Asked Questions
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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.