Last frost date in Canton, Illinois
April 17
Average last frost in spring. In an early year (1 in 10) it's over by April 2; in a late year (1 in 10) it comes after May 3.
October 19
Average first frost in fall. 1 year in 10 it comes by October 1.
Source: NOAA U.S. Climate Normals 1991–2020, station Havana (USC00113940), 18.1 miles from Canton, elevation 463 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 2 | Apr 17 | May 3 |
| First frost in fall | Oct 1 | Oct 19 | Oct 31 |
Frost-free days in an average year: 185
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 26 | Oct 8 |
| Frost (32°F) | Every year | Apr 17 | Oct 19 |
| Hard freeze (28°F) | Every year | Apr 5 | Oct 29 |
Nights at 32°F or colder in an average year: 133
What to plant now in Canton
- Spring planting calendar for an average last frost around April 20 Canton: April 17
- Fall planting calendar for an average first frost around October 20 Canton: October 19
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
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