South Barrington, IL Weather & Climate Normals
What a normal year in South Barrington actually looks like
On the 30-year record NOAA keeps for South Barrington, IL, the comfort score comes out to 43/100, 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 South Barrington's weather actually swings
Average temperatures in South Barrington run from 21°F in Jan up to 72°F in Jul, a 50.9°F seasonal swing, one of the widest gaps in this dataset.
How wet South Barrington actually gets
Over a typical year, South Barrington sees about 40.43in of precipitation a year across roughly 131 days with measurable rain or snow, with 38.5in of snow a year.
South Barrington against the rest of the country
Out of 4876 cities scored here, South Barrington comes in at 4145; within IL alone it ranks 281 of 330. Population is about 5,061.
Checking the actual forecast
These figures come from BARRINGTON 3SW, IL US, the NOAA station 1.9 miles from South Barrington, 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