Clinton, IL Weather & Climate Normals
Clinton's real weather, in one number
Clinton, IL scores 46/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Clinton's hottest and coldest months
Clinton's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 26°F, a 48.5°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Clinton
Clinton averages 39.83in of precipitation a year across roughly 118 days with measurable rain or snow, and 19.3in of snow a year.
Where Clinton ranks
Clinton ranks 3153 of 4876 US cities in this dataset for comfort score, and 108 of 330 within IL. About 6,881 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from LINCOLN, IL US, 19.8 miles from Clinton, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station