Rantoul, IL Weather & Climate Normals
Rantoul's real weather, in one number
Rantoul, IL scores 43/100 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. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Rantoul's hottest and coldest months
Rantoul's hottest month is Jul, averaging 76°F; its coldest is Jan, averaging 25°F, a 50.7°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Rantoul
Over a typical year, Rantoul sees about 40.35in of precipitation a year across roughly 102 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Rantoul ranks
Rantoul ranks 4052 of 4876 US cities in this dataset for comfort score, and 258 of 330 within IL. About 12,268 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from RANTOUL, IL US, 0.8 miles from Rantoul, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is