Last frost date in Galesburg, Illinois
April 20
Average last frost in spring. In an early year (1 in 10) it's over by April 6; in a late year (1 in 10) it comes after May 5.
October 19
Average first frost in fall. 1 year in 10 it comes by October 4.
Source: NOAA U.S. Climate Normals 1991–2020, station Galesburg (USC00113320), 0.5 miles from Galesburg, elevation 761 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 6 | Apr 20 | May 5 |
| First frost in fall | Oct 4 | Oct 19 | Oct 30 |
Frost-free days in an average year: 180
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 30 | Oct 9 |
| Frost (32°F) | Every year | Apr 20 | Oct 19 |
| Hard freeze (28°F) | Every year | Apr 10 | Oct 28 |
Nights at 32°F or colder in an average year: 129
What to plant now in Galesburg
- Spring planting calendar for an average last frost around April 20 Galesburg: April 20
- Fall planting calendar for an average first frost around October 20 Galesburg: 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.
Nearby in Illinois
- Kewanee 31 mi · last frost Apr 24
- Canton 32 mi · last frost Apr 17
- Macomb 37 mi · last frost Apr 17
- Moline 37 mi · last frost Apr 24
- East Moline 39 mi · last frost Apr 16
Updated