Christian County Climate
Christian County, Illinois
Avg Annual Temp
53.6°F
Annual Precip
40.7"
Annual Snowfall
14.9"
Extreme Heat Days
29.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.