Last frost date in Tiffin, Ohio
April 23
Average last frost in spring. In an early year (1 in 10) it's over by April 8; in a late year (1 in 10) it comes after May 7.
October 23
Average first frost in fall. 1 year in 10 it comes by October 9.
Source: NOAA U.S. Climate Normals 1991–2020, station Tiffin (USC00338313), 0.7 miles from Tiffin, elevation 740 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Fostoria, so its frost dates are the same as Tiffin's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 8 | Apr 23 | May 7 |
| First frost in fall | Oct 9 | Oct 23 | Nov 5 |
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 | May 2 | Oct 11 |
| Frost (32°F) | Every year | Apr 23 | Oct 23 |
| Hard freeze (28°F) | Every year | Apr 11 | Nov 3 |
Nights at 32°F or colder in an average year: 123
What to plant now in Tiffin
- Spring planting calendar for an average last frost around April 20 Tiffin: April 23
- Fall planting calendar for an average first frost around October 20 Tiffin: October 23
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
- Fremont 17 mi · last frost Apr 26
- Bucyrus 24 mi · last frost Apr 19
- Findlay 24 mi · last frost Apr 22
- Bowling Green 30 mi · last frost Apr 22
- Norwalk 31 mi · last frost Apr 25
Updated