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Moultrie County Climate

Moultrie County, Illinois

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec53.0°AVG °F

Avg Annual Temp

53.0°F

Annual Precip

40.9"

Annual Snowfall

14.0"

Extreme Heat Days

22

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.4"
2.1"
2.8"
4.3"
4.9"
4.7"
4.3"
2.9"
3.0"
3.4"
3.3"
2.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

3,674

Supports most vegetables & fruits

Last spring frost (32°F): 04/15
First fall frost (32°F): 10/22

Seasonal Overview

Comfort ZoneSpring41°64°12.0"Summer73°76°11.9"Fall43°67°9.8"Winter27°32°7.2"20°40°60°80°100°

National Comparison

Warmer than 44% of US counties
Wetter than 48% of US counties
More seasonal variation than 77% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Moultrie County

Climate Verdict

Moultrie County has a mild, with an average annual temperature of 53.0°F, moderately wet with 40.9 inches of annual precipitation, occasional hot days — 22.2 per year above 90°F, light snow averaging 14.0 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 26.9°F. summers are warm — July averages 75.6°F. The 49°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Moultrie County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Moultrie County closely matches the Illinois statewide average temperature of 52.8°F.

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

What is the average temperature in Moultrie County?
The average annual temperature in Moultrie County, IL is 53.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Moultrie County get?
Moultrie County receives an average of 40.9 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Moultrie County?
Yes, Moultrie County receives an average of 14.0 inches of snowfall per year according to NOAA climate normals.
How hot does Moultrie County get in summer?
The average summer temperature (June-August) in Moultrie County is 74.1°F. The county experiences an average of 22 days per year above 90°F.
How cold are winters in Moultrie County?
The average winter temperature (December-February) in Moultrie County is 30.1°F. January, typically the coldest month, averages 26.9°F.

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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