Menard County Climate
Menard County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
52.1°F
Annual Precip
37.5"
Annual Snowfall
16.8"
Extreme Heat Days
18
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,486
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Menard County
Climate Verdict
Menard County has a mild, with an average annual temperature of 52.1°F, moderate rainfall of 37.5 inches per year, rare extreme heat with only 17.9 days above 90°F annually, light snow averaging 16.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 25.9°F. summers are warm — July averages 75.0°F. The 49°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Menard County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Menard County closely matches the Illinois statewide average temperature of 52.8°F, it is somewhat drier than average for Illinois.
Climate Profile
About Menard County Weather
Mild Temperatures and Lower Precipitation
Menard County averages 52.1°F annually, falling just under the national median for temperate zones. It is notably drier than many other parts of the country, with only 37.5 inches of rain.
Drier and Cooler Than State Norms
The county's 37.5 inches of annual rain is well below the Illinois average of 41.7 inches. Its annual temperature of 52.1°F also sits slightly below the state average of 52.8°F.
Surprisingly Few Extreme Heat Days
Despite its central location, Menard sees only 18 extreme heat days, far fewer than neighbor Mason's 31 days. Its 16.8 inches of snow is typical for the central Illinois plains.
Comfortable Summers and Crisp Winters
Summer averages stay around 73.3°F, with July hitting a peak of 75.0°F. Winter is cold but manageable, with a December-February average of 29.1°F.
Focus on Water Conservation and Winterize
With lower-than-average precipitation, consider drought-resistant landscaping for your property. Ensure your home is sealed against the 25.9°F January average to save on heating costs.
Frequently Asked Questions
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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.