Last frost date in Marion, Ohio
April 25
Average last frost in spring. In an early year (1 in 10) it's over by April 11; in a late year (1 in 10) it comes after May 11.
October 20
Average first frost in fall. 1 year in 10 it comes by October 5.
Source: NOAA U.S. Climate Normals 1991–2020, station Marion 2 N (USC00334942), 1.5 miles from Marion, elevation 965 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 11 | Apr 25 | May 11 |
| First frost in fall | Oct 5 | Oct 20 | Nov 2 |
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 5 | Oct 8 |
| Frost (32°F) | Every year | Apr 25 | Oct 20 |
| Hard freeze (28°F) | Every year | Apr 14 | Nov 1 |
Nights at 32°F or colder in an average year: 129
What to plant now in Marion
- Spring planting calendar for an average last frost around April 20 Marion: April 25
- Fall planting calendar for an average first frost around October 20 Marion: October 20
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
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