Gurnee, IL Weather & Climate Normals
What a normal year in Gurnee actually looks like
On the 30-year record NOAA keeps for Gurnee, IL, the comfort score comes out to 48/100, 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 Gurnee's weather actually swings
Average temperatures in Gurnee run from 23°F in Jan up to 72°F in Jul, a 49.7°F seasonal swing, one of the widest gaps in this dataset.
How wet Gurnee actually gets
The nearest NOAA station to Gurnee records neither precipitation nor snowfall totals, so neither figure is shown rather than guessed.
Gurnee against the rest of the country
Out of 4876 cities scored here, Gurnee comes in at 2338; within IL alone it ranks 41 of 330. Population is about 30,546.
Checking the actual forecast
These figures come from WAUKEGAN, IL US, the NOAA station 3.1 miles from Gurnee, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station