Lake County Climate
Lake County, Ohio
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
51.3°F
Annual Precip
44.3"
Annual Snowfall
—
Extreme Heat Days
7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,153
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Lake County
Climate Verdict
Lake County has a mild, with an average annual temperature of 51.3°F, moderately wet with 44.3 inches of annual precipitation, rare extreme heat with only 6.9 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 28.3°F. summers are warm — July averages 73.3°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Lake County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Lake County closely matches the Ohio statewide average temperature of 51.5°F, it is somewhat wetter than average for Ohio.
Climate Profile
About Lake County Weather
A Temperate Great Lakes Climate
Lake County’s annual average temperature of 51.3°F sits just below the national median of roughly 53°F. This humid continental climate is heavily moderated by its northern border on Lake Erie.
Matching the Ohio Average
The county's 51.3°F average temperature closely tracks the Ohio state average of 51.5°F. It avoids the higher heat seen in southern Ohio while benefiting from the lake's thermal mass.
Wetter Than Inland Neighbors
Lake County receives 44.3 inches of annual precipitation, which is higher than the state average of 41.2 inches. This exceeds the 39.6 inches recorded in nearby Lorain County to the west.
Mild Summers and Steady Winters
July averages a comfortable 73.3°F with only 7 days per year reaching 90°F. While specific annual snowfall data is unavailable, winter temperatures average 30.7°F across the coldest months.
Prepare for High Moisture
Residents should invest in high-quality drainage and roofing to handle the 44.3 inches of annual rainfall. The rare extreme heat makes standard air conditioning sufficient for most summer days.
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.