Harrison County Climate
Harrison County, Ohio
Avg Annual Temp
50.8°F
Annual Precip
42.6"
Annual Snowfall
25.8"
Extreme Heat Days
6.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Harrison County Weather
Cool Appalachian Air and Stable Temps
Harrison County averages 50.8°F, making it cooler than the national median. The county's elevation and geography contribute to a temperate humid continental climate.
A Refreshingly Cool Ohio Locale
Harrison is cooler than the 51.5°F state average, providing relief from the heat found in southern Ohio. It receives 42.6 inches of precipitation, slightly more than the state norm.
Milder Summers than Nearby Guernsey
Harrison has only 6 days of extreme heat, compared to 18 in neighboring Guernsey. However, it deals with more annual snowfall, averaging 25.8 inches.
Consistent Cold and Temperate Summers
July averages a mild 72.4°F, which is cool for the region. Winter temperatures average 29.6°F, bringing a steady 25.8 inches of snow throughout the season.
Focus on Winter Heating Efficiency
Because extreme heat is rare here, residents can focus more on heating efficiency and winter tires. The 25.8 inches of annual snow requires reliable clearing equipment for rural roads.
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.