Belvidere, IL Weather & Climate Normals
What a normal year in Belvidere actually looks like
On the 30-year record NOAA keeps for Belvidere, 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 Belvidere's weather actually swings
Average temperatures in Belvidere run from 22°F in Jan up to 74°F in Jul, a 52°F seasonal swing, one of the widest gaps in this dataset.
How wet Belvidere actually gets
Over a typical year, Belvidere sees about 37.24in of precipitation a year across roughly 121 days with measurable rain or snow, with 37.1in of snow a year.
Belvidere against the rest of the country
Out of 4876 cities scored here, Belvidere comes in at 3994; within IL alone it ranks 239 of 330. Population is about 25,325.
Checking the actual forecast
These figures come from ROCKFORD GTR ROCKFORD AP, IL US, the NOAA station 11.6 miles from Belvidere, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated