Christian County Climate
Christian County, Illinois
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
53.6°F
Annual Precip
40.7"
Annual Snowfall
14.9"
Extreme Heat Days
30
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,777
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Christian County
Climate Verdict
Christian County has a mild, with an average annual temperature of 53.6°F, moderately wet with 40.7 inches of annual precipitation, occasional hot days — 29.6 per year above 90°F, light snow averaging 14.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.7°F. summers are warm — July averages 76.1°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Christian County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Christian County closely matches the Illinois statewide average temperature of 52.8°F.
Climate Profile
About Christian County Weather
Christian County matches the national temperature median
Christian County averages 53.6°F annually, placing it very near the national median for U.S. counties. Its 40.7 inches of annual precipitation provides ample moisture for its classic continental climate.
Warmer than the average Illinois county
At 53.6°F, the county is nearly a full degree warmer than the Illinois state average of 52.8°F. This makes it one of the warmer central Illinois locations, reflecting its position south of the state's midsection.
Hotter summers than neighboring Champaign County
Christian County experiences 30 extreme heat days, which is nine more than neighboring Champaign County. Its 14.9 inches of annual snowfall is also notably lower than Champaign’s 20.9 inches.
Steamy summers and relatively mild winters
Residents face 30 days of temperatures at or above 90°F, making for a hot summer peak in July at 76.1°F. Winters are manageable with a 30.9°F average and relatively light snowfall compared to northern counties.
Prioritize cooling systems for long summer stretches
The 30 days of extreme heat require well-maintained air conditioning units to ensure summer comfort. With nearly 15 inches of snow, a light-duty snow blower is usually sufficient for most winter storms.
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.