Kewanee, IL Weather & Climate Normals
What a normal year in Kewanee actually looks like
On the 30-year record NOAA keeps for Kewanee, IL, the comfort score comes out to 44/100, 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 Kewanee's weather actually swings
Average temperatures in Kewanee run from 22°F in Jan up to 74°F in Jul, a 51.5°F seasonal swing, one of the widest gaps in this dataset.
Kewanee, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 30°F | 14°F | 1.89in | 8.7in |
| Feb | 35°F | 17°F | 2.06in | 8.5in |
| Mar | 48°F | 27°F | 2.62in | 3.2in |
| Apr | 61°F | 38°F | 3.96in | 1.2in |
| May | 72°F | 50°F | 5.07in | 0in |
| Jun | 81°F | 60°F | 5in | 0in |
| Jul | 84°F | 63°F | 3.69in | 0in |
| Aug | 82°F | 61°F | 3.86in | 0in |
| Sep | 77°F | 52°F | 3.68in | 0in |
| Oct | 64°F | 41°F | 2.93in | 0.3in |
| Nov | 49°F | 30°F | 2.65in | 1.4in |
| Dec | 36°F | 20°F | 2.17in | 7.5in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Kewanee's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Kewanee actually gets
Over a typical year, Kewanee sees about 39.58in of precipitation a year across roughly 124 days with measurable rain or snow, with 30.8in of snow a year.
Kewanee against the rest of the country
Out of 4876 cities scored here, Kewanee comes in at 3810; within IL alone it ranks 205 of 330. Population is about 12,146.
Checking the actual forecast
These figures come from Kewanee 1 E, IL US, the NOAA station 1.4 miles from Kewanee, 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