Greene County Climate
Greene County, Ohio
Avg Annual Temp
53.7°F
Annual Precip
43.3"
Annual Snowfall
20.3"
Extreme Heat Days
8.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Greene County Weather
Mirroring the National Temperature Median
Greene County’s 53.7°F average temperature aligns closely with the United States median. The county experiences a classic four-season humid continental climate common across the central plains.
Slightly Warmer than the Ohio Average
Greene County stays roughly two degrees warmer than the Ohio state average of 51.5°F. It represents the transition point between the cooler northern lake plains and the warmer southern river valleys.
Drier and Steadier than Southern Neighbors
With 43.3 inches of rain, Greene is drier than Hamilton and Gallia to the south. It sees 20.3 inches of snow, providing a moderate winter compared to the lake-effect regions.
Balanced Seasons with Moderate Peaks
July averages a warm 74.1°F, while January dips to 30.2°F. The county sees 9 extreme heat days per year, making summers warm but manageable.
Equip for Variable Midwestern Weather
Residents should plan for moderate snowfall of 20.3 inches with standard winter tires. Dual-purpose HVAC systems are ideal for the mix of 74°F summers and 30°F winters.
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.