Last frost date in Kewanee, Illinois
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 10; in a late year (1 in 10) it comes after May 8.
October 17
Average first frost in fall. 1 year in 10 it comes by October 3.
Source: NOAA U.S. Climate Normals 1991–2020, station Kewanee 1 E (USC00114710), 1.4 miles from Kewanee, elevation 780 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 10 | Apr 24 | May 8 |
| First frost in fall | Oct 3 | Oct 17 | Oct 29 |
Frost-free days in an average year: 175
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 6 |
| Frost (32°F) | Every year | Apr 24 | Oct 17 |
| Hard freeze (28°F) | Every year | Apr 13 | Oct 28 |
Nights at 32°F or colder in an average year: 141
What to plant now in Kewanee
- Spring planting calendar for an average last frost around April 20 Kewanee: April 24
- Fall planting calendar for an average first frost around October 20 Kewanee: October 17
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Illinois
- Galesburg 31 mi · last frost Apr 20
- East Moline 31 mi · last frost Apr 16
- Moline 34 mi · last frost Apr 24
- Peoria 37 mi · last frost Apr 16
- Canton 47 mi · last frost Apr 17
Updated