Cahokia Heights, IL Weather & Climate Normals
Cahokia Heights's real weather, in one number
Cahokia Heights, IL scores 44/100 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.
Cahokia Heights's hottest and coldest months
Cahokia Heights's hottest month is Jul, averaging 79°F; its coldest is Jan, averaging 32°F, a 46.7°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Cahokia Heights
Over a typical year, Cahokia Heights sees about 40.84in of precipitation a year across roughly 117 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Cahokia Heights ranks
Cahokia Heights ranks 3777 of 4876 US cities in this dataset for comfort score, and 199 of 330 within IL. About 17,052 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from CAHOKIA ST LOUIS AP, IL US, 0.1 miles from Cahokia Heights, 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