Livingston County Climate
Livingston County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
50.9°F
Annual Precip
37.4"
Annual Snowfall
22.2"
Extreme Heat Days
22
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
3,353
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Livingston County
Climate Verdict
Livingston County has a mild, with an average annual temperature of 50.9°F, moderate rainfall of 37.4 inches per year, occasional hot days — 22 per year above 90°F, moderate snowfall of 22.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 23.7°F. summers are warm — July averages 74.8°F. Residents experience a substantial 51°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Livingston County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Livingston County closely matches the Illinois statewide average temperature of 52.8°F, it is somewhat drier than average for Illinois.
Climate Profile
About Livingston County Weather
Classic Midwestern Temperature Patterns
Livingston County averages 50.9°F annually, aligning closely with the typical climate profile of the American corn belt. It experiences moderate precipitation at 37.4 inches, slightly below the national median for the eastern half of the country.
Slightly Below the State Mean
The county's 50.9°F annual average is roughly two degrees cooler than the Illinois statewide average of 52.8°F. This difference is largely due to its northern-central location, which experiences cooler winters than the southern half of the state.
Drier than Southern Neighbors
Livingston receives 37.4 inches of annual precipitation, which is notably less than the 44.1 inches seen in southeastern Illinois. Its 22.2 inches of annual snowfall is typical for the region, balancing between the snowy north and milder south.
Consistent Snow and Moderate Heat
The county sees 22 days of extreme heat over 90°F, while January temperatures dip to an average of 23.7°F. Snowfall is frequent, totaling 22.2 inches throughout the winter season.
Seasonal Transitions Require Versatility
Property owners should prepare for both snow management and summer cooling, as temperature swings are significant. HVAC systems must handle a wide range from the 23.7°F January average to the 74.8°F July peak.
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.