Piatt County Climate
Piatt County, Illinois
Climate data coming soon
Avg Annual Temp
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Annual Precip
39.5"
Annual Snowfall
15.2"
Extreme Heat Days
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Monthly Temperature
Temperature data coming soon
Precipitation Calendar
Seasonal Overview
Seasonal data coming soon
National Comparison
Data pending
Data pending
Climate Profile
About Piatt County Weather
Standard Midwestern Moisture Levels
While specific temperature data is limited, Piatt’s 39.5 inches of precipitation aligns with national temperate climate norms. It maintains a steady water supply for its agricultural landscape.
Drier Than the Illinois Average
Piatt’s 39.5 inches of annual precipitation is slightly lower than the Illinois average of 41.7 inches. It provides a more moderate moisture profile than the rainier southern counties.
Consistent Snowfall With Its Peers
Piatt receives 15.2 inches of snowfall, which is nearly identical to the 16.2 inches found in Morgan County. It occupies a stable middle ground for Illinois winter weather.
Steady Rainfall and Moderate Snow
The county experiences a clear four-season cycle with 39.5 inches of rain and 15.2 inches of snow. This balance avoids the extreme snow of the north and the heavy rain of the south.
Maintain Your Multi-Season Gear
Residents should keep snow shovels ready for the 15.2 inches of annual snow. Regular roof and gutter inspections are recommended to manage the nearly 40 inches of yearly precipitation.
Frequently Asked Questions
How much rain does Piatt County get?
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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.