Last frost date in Channahon, Illinois
April 16
Average last frost in spring. In an early year (1 in 10) it's over by April 3; in a late year (1 in 10) it comes after May 3.
October 26
Average first frost in fall. 1 year in 10 it comes by October 13.
Source: NOAA U.S. Climate Normals 1991–2020, station Channahon Dresden Isl Dam (USC00111420), 2 miles from Channahon, elevation 505 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Minooka, so its frost dates are the same as Channahon's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 3 | Apr 16 | May 3 |
| First frost in fall | Oct 13 | Oct 26 | Nov 8 |
Frost-free days in an average year: 191
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 30 | Oct 15 |
| Frost (32°F) | Every year | Apr 16 | Oct 26 |
| Hard freeze (28°F) | Every year | Apr 5 | Nov 6 |
Nights at 32°F or colder in an average year: 127
What to plant now in Channahon
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 20 Channahon: April 16
- Fall planting calendar for an average first frost around October 30 Channahon: October 26
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
- Joliet 9 mi · last frost Apr 19
- Morris 9 mi · last frost Apr 20
- Yorkville 19 mi · last frost Apr 28
- Bolingbrook 20 mi · last frost Apr 20
- Naperville 23 mi · last frost Apr 28
Updated