Salem, IL Weather & Climate Normals
What a normal year in Salem actually looks like
On the 30-year record NOAA keeps for Salem, 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 Salem's weather actually swings
Average temperatures in Salem run from 30°F in Jan up to 78°F in Jul, a 48°F seasonal swing, one of the widest gaps in this dataset.
How wet Salem actually gets
Over a typical year, Salem sees about 45.89in of precipitation a year across roughly 111 days with measurable rain or snow, with 10.2in of snow a year.
Salem against the rest of the country
Out of 4876 cities scored here, Salem comes in at 2475; within IL alone it ranks 76 of 330. Population is about 7,016.
Checking the actual forecast
These figures come from SALEM, IL US, the NOAA station 1.1 miles from Salem, 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