Last frost date in Warren, Ohio
May 8
Average last frost in spring. In an early year (1 in 10) it's over by April 23; in a late year (1 in 10) it comes after May 25.
October 12
Average first frost in fall. 1 year in 10 it comes by September 30.
Source: NOAA U.S. Climate Normals 1991–2020, station Warren 3 S (USC00338769), 2.6 miles from Warren, elevation 900 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Niles, so its frost dates are the same as Warren's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 23 | May 8 | May 25 |
| First frost in fall | Sept 30 | Oct 12 | Oct 26 |
Frost-free days in an average year: 157
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 19 | Oct 2 |
| Frost (32°F) | Every year | May 8 | Oct 12 |
| Hard freeze (28°F) | Every year | Apr 27 | Oct 26 |
Nights at 32°F or colder in an average year: 147
What to plant now in Warren
- Spring planting calendar for an average last frost around May 10 Warren: May 8
- Fall planting calendar for an average first frost around October 10 Warren: October 12
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
- Youngstown 13 mi · last frost May 1
- Salem 23 mi · last frost May 2
- Kent 29 mi · last frost Apr 21
- Akron 38 mi · last frost Apr 24
- Cuyahoga Falls 39 mi · last frost Apr 30
Updated