Frost dates for Sandusky, OH
At Sandusky, the median last spring frost (32°F) is Apr 10 and the median first fall frost is Nov 5, for a typical growing season of 209 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 10Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Nov 5First fall frost (median)50% chance of 32°F by this date
- 209 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 8 | Apr 21 | May 5 |
| 32°F | Mar 31 | Apr 10 | Apr 23 |
| 28°F | Mar 16 | Apr 1 | Apr 14 |
| 24°F | Mar 5 | Mar 20 | Apr 3 |
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 12 | Oct 26 | Nov 9 |
| 32°F | Oct 23 | Nov 5 | Nov 20 |
| 28°F | Nov 3 | Nov 16 | Dec 2 |
| 24°F | Nov 11 | Nov 27 | Dec 14 |
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 | 167 days | 186 days | 206 days |
| 32°F | 190 days | 209 days | 227 days |
| 28°F | 211 days | 230 days | 253 days |
| 24°F | 229 days | 252 days | 274 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 |
|---|---|---|---|
| 44870 | 6b | -5 to 0°F | 3 km |
| 43440 | 6b | -5 to 0°F | 9 km |
| 44824 | 6b | -5 to 0°F | 11 km |
| 43433 | 6b | -5 to 0°F | 15 km |
| 43438 | 7a | 0 to 5°F | 17 km |
| 43464 | 6b | -5 to 0°F | 18 km |
| 43452 | 6b | -5 to 0°F | 21 km |
| 43456 | 7a | 0 to 5°F | 24 km |
| 43446 | 7a | 0 to 5°F | 26 km |
| 43436 | 7a | 0 to 5°F | 31 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 USW00014846, at 41.4500, -82.7167, elevation 178 m (584 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 104.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Norwalk Wastewater Plant (22 km)
- Fremont (36 km)
- Fremont Ag Station (41 km)
- Oberlin (46 km)
- Elyria Lorain Co Airport (46 km)
- Tiffin (53 km)
- Elyria 3 E (56 km)
- Toledo Metcalf Field (64 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.