Wabash County Climate
Wabash County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.4°F
Annual Precip
48.7"
Annual Snowfall
8.9"
Extreme Heat Days
46
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,258
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Wabash County
Climate Verdict
Wabash County has a mild, with an average annual temperature of 56.4°F, moderately wet with 48.7 inches of annual precipitation, occasional hot days — 46.1 per year above 90°F, light snow averaging 8.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 32.6°F. summers are warm — July averages 78.2°F. The 46°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Wabash County is 3.6°F warmer than the Illinois statewide average of 52.8°F, it is also noticeably wetter, receiving 7.0 inches more precipitation than the state average, the county experiences 18.838967803030304 more extreme heat days than the state average.
Climate Profile
About Wabash County Weather
Warm and wet southern conditions
Wabash County's average temperature of 56.4°F is significantly warmer than the national median. It receives a high 48.7 inches of annual precipitation, making it one of the wetter regions in the interior U.S.
One of the warmest in Illinois
At 56.4°F, Wabash County is much warmer than the state average of 52.8°F. It consistently ranks among the top tier of Illinois counties for heat and total rainfall.
A hot spot in the region
Wabash experiences 46 days of extreme heat, outpacing nearby Vermilion's 21 days. Its 48.7 inches of rain also exceeds the precipitation levels of almost all its northern neighbors.
Hot summers and mild winters
July temperatures average a steamy 78.2°F with frequent heat waves. Winters remain mild with only 8.9 inches of snow, far below the totals seen in central or northern Illinois.
Focus on cooling and drainage
With 46 days over 90°F, high-capacity air conditioning is a necessity for residents. Excellent property drainage is also critical to handle the heavy 48.7 inches of annual rainfall.
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.