Columbiana County Climate
Columbiana County, Ohio
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.9°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
15
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,823
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Columbiana County
Climate Verdict
Columbiana County has a cool, averaging 49.9°F annually, rare extreme heat with only 14.5 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.4°F. summers are warm — July averages 71.3°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Columbiana County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Columbiana County closely matches the Ohio statewide average temperature of 51.5°F.
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
What is the average temperature in Columbiana County?
How hot does Columbiana County get in summer?
How cold are winters in Columbiana County?
Track your own weather in Columbiana 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.