Geneseo, IL Weather & Climate Normals
What a normal year in Geneseo actually looks like
On the 30-year record NOAA keeps for Geneseo, IL, the comfort score comes out to 39/100, weather-driven: Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Geneseo's weather actually swings
Average temperatures in Geneseo run from 23°F in Jan up to 75°F in Jul, a 52.7°F seasonal swing, one of the widest gaps in this dataset.
How wet Geneseo actually gets
Over a typical year, Geneseo sees about 39.09in of precipitation a year across roughly 108 days with measurable rain or snow, with 28.4in of snow a year.
Geneseo against the rest of the country
Out of 4876 cities scored here, Geneseo comes in at 4669; within IL alone it ranks 295 of 330. Population is about 6,503.
Checking the actual forecast
These figures come from GENESEO, IL US, the NOAA station 0.3 miles from Geneseo, 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