Last frost date in Springfield, Illinois
April 15
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 April 30.
October 22
Average first frost in fall. 1 year in 10 it comes by October 9.
Source: NOAA U.S. Climate Normals 1991–2020, station Springfield #2 (USC00118186), 1.8 miles from Springfield, elevation 599 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Chatham, so its frost dates are the same as Springfield's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 3 | Apr 15 | Apr 30 |
| First frost in fall | Oct 9 | Oct 22 | Nov 2 |
Frost-free days in an average year: 188
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 27 | Oct 13 |
| Frost (32°F) | Every year | Apr 15 | Oct 22 |
| Hard freeze (28°F) | Every year | Apr 5 | Nov 1 |
Nights at 32°F or colder in an average year: 114
What to plant now in Springfield
- Spring planting calendar for an average last frost around April 10 Springfield: April 15
- Fall planting calendar for an average first frost around October 20 Springfield: October 22
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
- Taylorville 24 mi · last frost Apr 12
- Lincoln 29 mi · last frost Apr 20
- Jacksonville 32 mi · last frost Apr 17
- Decatur 38 mi · last frost Apr 14
- Canton 57 mi · last frost Apr 17
Updated