De Witt County Climate

De Witt County, Illinois

Climate data coming soon

Avg Annual Temp

Annual Precip

40.8"

Annual Snowfall

Extreme Heat Days

Monthly Temperature

Temperature data coming soon

Precipitation Calendar

Dry
Wet
2.3"
2.2"
2.9"
4.2"
4.9"
4.5"
4.3"
3.4"
3.0"
3.5"
3.2"
2.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Seasonal data coming soon

National Comparison

Data pending

Wetter than 47% of US counties

Data pending

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

How much rain does De Witt County get?
De Witt County receives an average of 40.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.

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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.

Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

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