Last frost date in Champaign, Illinois
April 15
Average last frost in spring. In an early year (1 in 10) it's over by April 1; in a late year (1 in 10) it comes after April 29.
October 24
Average first frost in fall. 1 year in 10 it comes by October 11.
Source: NOAA U.S. Climate Normals 1991–2020, station Champaign 3S (USC00118740), 2.8 miles from Champaign, elevation 721 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Urbana, so its frost dates are the same as Champaign's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 1 | Apr 15 | Apr 29 |
| First frost in fall | Oct 11 | Oct 24 | Nov 5 |
Frost-free days in an average year: 190
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 26 | Oct 15 |
| Frost (32°F) | Every year | Apr 15 | Oct 24 |
| Hard freeze (28°F) | Every year | Apr 4 | Nov 2 |
Nights at 32°F or colder in an average year: 120
What to plant now in Champaign
- Spring planting calendar for an average last frost around April 10 Champaign: April 15
- Fall planting calendar for an average first frost around October 20 Champaign: October 24
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
- Mahomet 8 mi · last frost Apr 23
- Rantoul 14 mi · last frost Apr 21
- Danville 35 mi · last frost Apr 21
- Decatur 39 mi · last frost Apr 14
- Charleston 44 mi · last frost Apr 15
Updated