Monroe County Climate
Monroe County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
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Annual Precip
45.1"
Annual Snowfall
8.8"
Extreme Heat Days
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Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Monroe County
Climate Verdict
Climate data for Monroe 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 Monroe County will be added as data becomes available.
Regional Context
Comparative climate data for Monroe County is being processed.
Climate Profile
About Monroe County Weather
A Damp and Temperate Climate Profile
While specific annual temperature averages are limited for Monroe, its 45.1 inches of rain exceeds the national median. This reflects a humid continental climate common in the Mississippi River valley.
Wetter Conditions Than the State Average
Monroe receives 45.1 inches of annual precipitation, which is higher than the Illinois average of 41.7 inches. This extra moisture defines the local environment compared to drier northern counties.
Less Snow Than Northern Neighbors
With only 8.8 inches of annual snowfall, Monroe experiences a much milder winter than counties in central and northern Illinois. It remains one of the drier spots in the state for snow accumulation.
Rainy Springs and Mild Winters
The county averages 45.1 inches of precipitation annually, distributed mostly as rain rather than snow. Residents enjoy a light winter snow load of 8.8 inches compared to the state's heavier northern tallies.
Focus on Moisture Management
Homeowners should prioritize gutter maintenance and basement waterproofing to handle the high annual rainfall of 45.1 inches. Reliable drainage is more critical here than heavy snow removal gear.
Frequently Asked Questions
How much rain does Monroe County get?
Does it snow in Monroe County?
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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.