Frost dates for Wooster Wayne Co Airport, OH
At Wooster Wayne Co Airport, the median last spring frost (32°F) is Apr 29 and the median first fall frost is Oct 14, for a typical growing season of 167 days. For a 90% chance that the last frost has passed, wait until May 15. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- Apr 29Last spring frost (median)50% chance of 32°F after this date
- May 15Safer planting date10% chance of 32°F after this date
- Oct 14First fall frost (median)50% chance of 32°F by this date
- 167 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 24 | May 8 | May 24 |
| 32°F | Apr 15 | Apr 29 | May 15 |
| 28°F | Apr 2 | Apr 18 | May 1 |
| 24°F | Mar 19 | Apr 4 | Apr 19 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 19 | Oct 1 | Oct 14 |
| 32°F | Sep 29 | Oct 14 | Oct 29 |
| 28°F | Oct 10 | Oct 28 | Nov 10 |
| 24°F | Oct 23 | Nov 9 | Nov 25 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 126 days | 145 days | 164 days |
| 32°F | 146 days | 167 days | 186 days |
| 28°F | 170 days | 193 days | 214 days |
| 24°F | 197 days | 219 days | 241 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 44677 | 6a | -10 to -5°F | 2 km |
| 44276 | 6a | -10 to -5°F | 9 km |
| 44217 | 6a | -10 to -5°F | 9 km |
| 44667 | 6a | -10 to -5°F | 11 km |
| 44270 | 6a | -10 to -5°F | 14 km |
| 44645 | 6a | -10 to -5°F | 15 km |
| 44230 | 6b | -5 to 0°F | 19 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USW00004842, at 40.8731, -81.8867, elevation 347 m (1,137 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 129.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Wooster Exp. Station (10 km)
- Wooster 3 SSE (12 km)
- Chippewa Lake (20 km)
- Millersburg (37 km)
- Akron Canton Regional Airport (38 km)
- Ashland 2 SW (39 km)
- Akron Fulton Intl Airport (40 km)
- Stow 4 SE (47 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.