Last frost date in Chillicothe, Ohio
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 7.
October 22
Average first frost in fall. 1 year in 10 it comes by October 7.
Source: NOAA U.S. Climate Normals 1991–2020, station Chillicothe Mound City (USC00331528), 2.4 miles from Chillicothe, elevation 650 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 7 |
| First frost in fall | Oct 7 | Oct 22 | Nov 4 |
Frost-free days in an average year: 184
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 30 | Oct 10 |
| Frost (32°F) | Every year | Apr 20 | Oct 22 |
| Hard freeze (28°F) | Every year | Apr 6 | Nov 2 |
Nights at 32°F or colder in an average year: 114
What to plant now in Chillicothe
- Spring planting calendar for an average last frost around April 20 Chillicothe: April 20
- Fall planting calendar for an average first frost around October 20 Chillicothe: 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 Ohio
- Circleville 18 mi · last frost Apr 17
- Washington Court House 27 mi · last frost Apr 23
- Lancaster 34 mi · last frost Apr 22
- Grove City 38 mi · last frost Apr 23
- Portsmouth 41 mi · last frost Apr 17
Updated