Last frost date in Middletown, Ohio
April 24
Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 11.
October 19
Average first frost in fall. 1 year in 10 it comes by October 7.
Source: NOAA U.S. Climate Normals 1991–2020, station Franklin (USC00332928), 4.3 miles from Middletown, elevation 679 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Franklin, Lebanon and Monroe, so their frost dates are the same as Middletown's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 9 | Apr 24 | May 11 |
| First frost in fall | Oct 7 | Oct 19 | Nov 1 |
Frost-free days in an average year: 178
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 4 | Oct 9 |
| Frost (32°F) | Every year | Apr 24 | Oct 19 |
| Hard freeze (28°F) | Every year | Apr 11 | Oct 29 |
Nights at 32°F or colder in an average year: 120
What to plant now in Middletown
- Spring planting calendar for an average last frost around April 20 Middletown: April 24
- Fall planting calendar for an average first frost around October 20 Middletown: 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 Ohio
- Hamilton 13 mi · last frost Apr 22
- Centerville 15 mi · last frost Apr 17
- Blue Ash 18 mi · last frost Apr 23
- Oxford 20 mi · last frost Apr 19
- Dayton 21 mi · last frost Apr 18
Updated