Pulaski County Climate
Pulaski County, Illinois
Avg Annual Temp
57.9°F
Annual Precip
49.4"
Annual Snowfall
7.2"
Extreme Heat Days
41.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Pulaski County Weather
Southern Comfort in the Heartland
Pulaski County averages a warm 57.9°F annually, placing it well above the median for U.S. counties. Its climate represents the northern edge of the humid subtropical zone, characterized by intense summer heat.
Illinois' Southern Thermal Peak
At 57.9°F, Pulaski is one of the warmest counties in the entire state, significantly outpacing the 52.8°F Illinois average. Precipitation is also heavy, totaling 49.4 inches compared to the state average of 41.7.
Warmer Than the Rest
Pulaski is warmer than its neighbor Pope County by nearly a full degree on average. It experiences 41 days of extreme heat, reflecting the consistent summer intensity found at the state's southern tip.
Intense July Peaks and Mild Winters
The July average reaches 78.9°F, while January stays relatively mild at 34.6°F. Snow is rare here, with the county only receiving 7.2 inches during a typical winter season.
Beat the Heat and Humidity
Residents should invest in high-capacity air conditioning to manage the 41 days of 90-degree weather. Excellent drainage and gutter maintenance are vital to handle the nearly 50 inches of annual rainfall.
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.