De Witt County Climate
De Witt County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.0°F
Annual Precip
40.8"
Annual Snowfall
—
Extreme Heat Days
—
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: De Witt County
Climate Verdict
Climate data for De Witt County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.
Seasonal Breakdown
Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.
Outdoor & Gardening Guidance
Growing season and gardening guidance for De Witt County will be added as data becomes available.
Regional Context
Comparative climate data for De Witt County is being processed.
Climate Profile
About De Witt County Weather
Typical Midwestern Precipitation Levels
De Witt County sees 40.8 inches of annual precipitation, which aligns closely with national averages for temperate zones. Local temperature data is not currently recorded, but the county experiences a standard seasonal cycle.
Drier Than the Illinois Average
At 40.8 inches, De Witt County receives slightly less precipitation than the Illinois state average of 41.7 inches. It occupies a middle-ground position compared to the wetter counties in southern Illinois.
Central Illinois Climate Trends
The county mirrors the climate of its central Illinois neighbors, focusing on agricultural stability. Its rainfall levels are very similar to nearby counties like McLean and Piatt.
Standard Midwestern Seasonal Shifts
With 40.8 inches of precipitation, the county experiences the full range of Midwestern weather. Residents prepare for a mix of rain and snow across the year, though specific local extremes are not currently tracked.
Planning for Agricultural and Residential Needs
Effective water management is key given the steady 40.8 inches of annual precipitation. Residents should maintain standard Midwestern home insulation to handle the typical but unrecorded temperature swings of the region.
Frequently Asked Questions
What is the average temperature in De Witt County?
How much rain does De Witt County get?
How hot does De Witt County get in summer?
How cold are winters in De Witt County?
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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. 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.