Last frost date in Zanesville, OH
The average last frost in Zanesville is April 26. By May 14 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 19, which leaves 177 frost-free days. An early freeze before October 6 happens one year in ten.
- Safe after (10% risk)
- May 14
- Average first frost
- Oct 19
- Frost-free season
- 177 days
- Hard freeze (28°F) ends
- Apr 13
Frost possible in low spots Fri night, low 36°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2241°
- FriOct 2336°possible frost
- SatOct 2438°
- SunOct 2540°
- MonOct 2643°
- TueOct 2745°
- WedOct 2843°
Planting calendar for Zanesville
Windows count forward or back from the average frost dates above. Click a crop for dates across Ohio.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 11 | Apr 26 | May 14 | Oct 6 | Oct 19 | Oct 31 |
| Hard freeze, 28°F | Mar 29 | Apr 13 | Apr 30 | Oct 17 | Oct 31 | Nov 12 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Zanesville Municipal Airport (USW00093824) sits 6.4 miles from the center of Zanesville at 880 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Zanesville, OH?
The average last frost date in Zanesville is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 14.
When is the first frost in Zanesville?
The first frost in fall usually comes around October 19. One year in ten it arrives before October 6.
How long is the growing season in Zanesville?
About 177 days between the average last and first frost.
When should I plant tomatoes in Zanesville?
Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.
Nearby in Ohio
- NewarkApr 29
- LancasterApr 22
- PickeringtonApr 23
- ReynoldsburgApr 18
- AthensApr 25
- GahannaApr 18
- WestervilleApr 22
- ColumbusApr 20
- Upper ArlingtonApr 20
- Grove CityApr 23
- WoosterApr 30
- DelawareApr 19