Trumbull County Climate
Trumbull County, Ohio
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.3°F
Annual Precip
41.6"
Annual Snowfall
45.3"
Extreme Heat Days
9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,735
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Trumbull County
Climate Verdict
Trumbull County has a cool, averaging 49.3°F annually, moderately wet with 41.6 inches of annual precipitation, rare extreme heat with only 8.799999999999999 days above 90°F annually, moderate snowfall of 45.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.3°F. summers are warm — July averages 71.1°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Trumbull County closely matches the Ohio statewide average temperature of 51.5°F.
Climate Profile
About Trumbull County Weather
Cooler than the national average
Trumbull County’s annual average temperature of 49.3°F sits roughly five degrees below the national median. Its humid continental climate brings distinct seasons with a brisk edge compared to much of the country.
A cooler corner of Ohio
The county remains cooler than the state average of 51.5°F, reflecting its northern position near Lake Erie. It records 41.6 inches of precipitation annually, which is slightly above the Ohio average.
Cooler and snowier than its neighbors
Trumbull is cooler than nearby Wayne County, which averages 49.9°F. Its 45.3 inches of snow significantly outpaces southern neighbors, making it one of the state's more winter-prone areas.
Mild summers and heavy lake-effect snow
Residents enjoy mild summers with only 9 days reaching 90°F or higher. However, the winter average of 28.7°F and heavy 45.3-inch snowfall require significant cold-weather preparation.
Winter readiness is the priority
Heavy-duty snow removal equipment is essential for the 45.3 inches of annual snow. High-efficiency heating systems are a must to manage the sub-freezing January average of 26.3°F.
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.