Hanover Park, IL Weather & Climate Normals
What a normal year in Hanover Park actually looks like
On the 30-year record NOAA keeps for Hanover Park, IL, the comfort score comes out to 44/100, 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 Hanover Park's weather actually swings
Average temperatures in Hanover Park run from 23°F in Jan up to 74°F in Jul, a 51.2°F seasonal swing, one of the widest gaps in this dataset.
How wet Hanover Park actually gets
Over a typical year, Hanover Park sees about 38.02in of precipitation a year across roughly 129 days with measurable rain or snow, with 34in of snow a year.
Hanover Park against the rest of the country
Out of 4876 cities scored here, Hanover Park comes in at 3712; within IL alone it ranks 174 of 330. Population is about 36,685.
Checking the actual forecast
These figures come from STREAMWOOD, IL US, the NOAA station 3.5 miles from Hanover Park, 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