Genoa, IL Weather & Climate Normals
What a normal year in Genoa actually looks like
On the 30-year record NOAA keeps for Genoa, 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 Genoa's weather actually swings
Average temperatures in Genoa run from 21°F in Jan up to 73°F in Jul, a 52.6°F seasonal swing, one of the widest gaps in this dataset.
Genoa, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 28°F | 13°F | 1.69in | 10.2in |
| Feb | 33°F | 17°F | 1.71in | 8.7in |
| Mar | 45°F | 27°F | 2.24in | 4.4in |
| Apr | 59°F | 37°F | 3.56in | 1.3in |
| May | 70°F | 49°F | 4.79in | 0in |
| Jun | 80°F | 60°F | 4.57in | 0in |
| Jul | 83°F | 63°F | 4in | 0in |
| Aug | 81°F | 61°F | 4.06in | 0in |
| Sep | 75°F | 53°F | 3.32in | 0in |
| Oct | 62°F | 41°F | 2.96in | 0.1in |
| Nov | 46°F | 30°F | 2.31in | 1.8in |
| Dec | 34°F | 19°F | 2.04in | 6.6in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Genoa's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Genoa actually gets
Over a typical year, Genoa sees about 37.25in of precipitation a year across roughly 121 days with measurable rain or snow, with 33.1in of snow a year.
Genoa against the rest of the country
Out of 4876 cities scored here, Genoa comes in at 4131; within IL alone it ranks 278 of 330. Population is about 5,514.
Checking the actual forecast
These figures come from De Kalb, IL US, the NOAA station 11.6 miles from Genoa, 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