Frost dates for Ravenna 2 S, OH
At Ravenna 2 S, the median last spring frost (32°F) is Apr 21 and the median first fall frost is Oct 29, for a typical growing season of 189 days. For a 90% chance that the last frost has passed, wait until May 7. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 21Last spring frost (median)50% chance of 32°F after this date
- May 7Safer planting date10% chance of 32°F after this date
- Oct 29First fall frost (median)50% chance of 32°F by this date
- 189 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 18 | May 2 | May 18 |
| 32°F | Apr 8 | Apr 21 | May 7 |
| 28°F | Mar 28 | Apr 9 | Apr 24 |
| 24°F | Mar 16 | Mar 31 | Apr 14 |
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 | Oct 2 | Oct 15 | Oct 29 |
| 32°F | Oct 14 | Oct 29 | Nov 10 |
| 28°F | Oct 28 | Nov 8 | Nov 24 |
| 24°F | Nov 6 | Nov 20 | Dec 5 |
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 | 145 days | 164 days | 183 days |
| 32°F | 168 days | 189 days | 209 days |
| 28°F | 193 days | 213 days | 233 days |
| 24°F | 214 days | 233 days | 257 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 |
|---|---|---|---|
| 44240 | 6a | -10 to -5°F | 5 km |
| 44243 | 6a | -10 to -5°F | 5 km |
| 44266 | 6a | -10 to -5°F | 8 km |
| 44272 | 6a | -10 to -5°F | 10 km |
| 44241 | 6a | -10 to -5°F | 13 km |
| 44201 | 6a | -10 to -5°F | 14 km |
| 44255 | 6a | -10 to -5°F | 18 km |
| 44640 | 6a | -10 to -5°F | 20 km |
| 44202 | 6a | -10 to -5°F | 21 km |
| 44411 | 6a | -10 to -5°F | 21 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 USC00336949, at 41.1333, -81.2833, elevation 337 m (1,107 ft).
- Data quality: Estimated from nearby stations (2+ years), 9 years of freeze data.
- Average days per year at or below 32°F: 126.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Stow 4 SE (14 km)
- Akron Fulton Intl Airport (19 km)
- Akron Canton Regional Airport (27 km)
- Hiram (30 km)
- Warren 3 S (40 km)
- Mosquito Creek Lake (47 km)
- Chardon (51 km)
- Youngstown Regional Airport (53 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.