Columbiana County Climate
Columbiana County, Ohio
Avg Annual Temp
49.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
14.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Columbiana County Weather
Cooler Northern Temperate Zone
Columbiana County averages 49.9°F annually, making it cooler than the national median. This region experiences shorter, milder summers and more pronounced winter conditions.
Below the Ohio Temperature Average
Columbiana is notably cooler than the state average of 51.5°F. Its July average of 71.3°F is nearly 4 degrees lower than the warmest parts of southern Ohio.
The Region’s Cool Spot
Columbiana is the only county in this group with an annual average below 50°F. It feels significantly cooler than Coshocton County, which averages 51.5°F and has more consistent summer warmth.
Mild Summers and Cold Winters
The county only sees 15 days of extreme heat over 90°F, keeping summer averages at a comfortable 69.7°F. Winters are harsher, with a January average of 26.4°F and a winter-long average of 29.0°F.
Invest in Winter Preparation
While specific snowfall data is missing, the cold January temperatures suggest a need for high-performance heating. Residents can enjoy lower cooling costs during the mild summer, where temperatures rarely stay extreme.
Frequently Asked Questions
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Track your own weather in Columbiana County
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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.