Moultrie County Climate
Moultrie County, Illinois
Avg Annual Temp
53.0°F
Annual Precip
40.9"
Annual Snowfall
14.0"
Extreme Heat Days
22.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Moultrie County Weather
Classic Midwestern Climate Consistency
Moultrie County averages 53.0°F annually, landing it squarely in the middle of national climate norms. The 40.9 inches of precipitation ensures a productive growing season for the local landscape.
Aligning With Illinois Averages
The county’s 53.0°F average is nearly identical to the Illinois statewide average of 52.8°F. Precipitation levels of 40.9 inches also mirror the state norm of 41.7 inches.
More Moderate Than Southern Peers
Moultrie records only 22 extreme heat days, which is roughly half of what Montgomery County faces to the southwest. This makes it one of the more temperate options in central Illinois.
Warm Summers and Snowy Intervals
Summer temperatures peak at 75.6°F in July, while the county sees 22 days above 90°F. Winter brings a steady 14 inches of snow and a January average of 26.9°F.
Equip for Both Snow and Heat
A standard snow shovel handles the 14 inches of annual snowfall, while HVAC systems should be tuned for 22 days of 90°F weather. The climate is predictable and rarely hits extreme record-breaking peaks.
Frequently Asked Questions
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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.