Bloomington, IL Weather & Climate Normals
What a normal year in Bloomington actually looks like
On the 30-year record NOAA keeps for Bloomington, IL, the comfort score comes out to 46/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Bloomington's weather actually swings
Average temperatures in Bloomington run from 25°F in Jan up to 75°F in Jul, a 50°F seasonal swing, one of the widest gaps in this dataset.
How wet Bloomington actually gets
Over a typical year, Bloomington sees about 39.39in of precipitation a year across roughly 113 days with measurable rain or snow, with 20.1in of snow a year.
Bloomington against the rest of the country
Out of 4876 cities scored here, Bloomington comes in at 2916; within IL alone it ranks 95 of 330. Population is about 79,232.
Checking the actual forecast
These figures come from NORMAL 4NE, IL US, the NOAA station 5.2 miles from Bloomington, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is