Last frost date in Washington Court House, Ohio
April 23
Average last frost in spring. In an early year (1 in 10) it's over by April 10; in a late year (1 in 10) it comes after May 8.
October 21
Average first frost in fall. 1 year in 10 it comes by October 8.
Source: NOAA U.S. Climate Normals 1991–2020, station Washington Court House (USC00338794), 0.3 miles from Washington Court House, elevation 957 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 10 | Apr 23 | May 8 |
| First frost in fall | Oct 8 | Oct 21 | Oct 31 |
Frost-free days in an average year: 181
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 2 | Oct 10 |
| Frost (32°F) | Every year | Apr 23 | Oct 21 |
| Hard freeze (28°F) | Every year | Apr 11 | Nov 1 |
Nights at 32°F or colder in an average year: 115
What to plant now in Washington Court House
- Spring planting calendar for an average last frost around April 20 Washington Court House: April 23
- Fall planting calendar for an average first frost around October 20 Washington Court House: October 21
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
- Wilmington 22 mi · last frost Apr 17
- London 25 mi · last frost Apr 24
- Circleville 27 mi · last frost Apr 17
- Chillicothe 27 mi · last frost Apr 20
- Xenia 29 mi · last frost Apr 18
Updated