Pope County Climate
Pope County, Illinois
Avg Annual Temp
57.2°F
Annual Precip
50.5"
Annual Snowfall
7.2"
Extreme Heat Days
46.8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Pope County Weather
A Warm Outlier in the Midwest
Pope County averages 57.2°F annually, making it significantly warmer than the national median temperature. This climate leans toward humid subtropical characteristics, featuring long summers and mild winters.
Among the Warmest in Illinois
With an annual average of 57.2°F, Pope County is much warmer than the state average of 52.8°F. It also receives 50.5 inches of precipitation, far exceeding the state norm of 41.7 inches.
Southern Illinois Heat and Rain
The county shares the high-heat profile of neighboring Saline County, both exceeding 40 days of 90-degree temperatures. Its 50.5 inches of rain makes it one of the wettest spots in the region.
Sizzling Summers and Light Snow
Extreme heat is common here, with 47 days per year hitting 90°F or higher. Winters remain relatively gentle, producing only 7.2 inches of annual snowfall and a January average of 34.4°F.
Planning for High Humidity and Heat
The high precipitation and heat require robust dehumidification and cooling systems for local homes. Winter gear needs are minimal as the county averages less than 8 inches of snow annually.
Frequently Asked Questions
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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.