Last frost date in London, Ohio
April 24
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 10.
October 18
Average first frost in fall. 1 year in 10 it comes by October 5.
Source: NOAA U.S. Climate Normals 1991–2020, station London Fish Hatchery (USC00334681), 3.8 miles from London, elevation 1,120 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 24 | May 10 |
| First frost in fall | Oct 5 | Oct 18 | Nov 1 |
Frost-free days in an average year: 175
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 7 |
| Frost (32°F) | Every year | Apr 24 | Oct 18 |
| Hard freeze (28°F) | Every year | Apr 14 | Oct 29 |
Nights at 32°F or colder in an average year: 132
What to plant now in London
- Spring planting calendar for an average last frost around April 20 London: April 24
- Fall planting calendar for an average first frost around October 20 London: October 18
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
- Grove City 18 mi · last frost Apr 23
- Springfield 19 mi · last frost Apr 25
- Dublin 22 mi · last frost Apr 22
- Urbana 22 mi · last frost Apr 24
- Washington Court House 25 mi · last frost Apr 23
Updated