Frost dates for Van Wert 1 S, OH
At Van Wert 1 S, the median last spring frost (32°F) is Apr 21 and the median first fall frost is Oct 26, for a typical growing season of 187 days. For a 90% chance that the last frost has passed, wait until May 6. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 21Last spring frost (median)50% chance of 32°F after this date
- May 6Safer planting date10% chance of 32°F after this date
- Oct 26First fall frost (median)50% chance of 32°F by this date
- 187 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 17 | Apr 30 | May 15 |
| 32°F | Apr 7 | Apr 21 | May 6 |
| 28°F | Mar 27 | Apr 9 | Apr 24 |
| 24°F | Mar 15 | Mar 31 | Apr 15 |
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 1 | Oct 14 | Oct 27 |
| 32°F | Oct 13 | Oct 26 | Nov 7 |
| 28°F | Oct 23 | Nov 5 | Nov 20 |
| 24°F | Nov 3 | Nov 16 | Dec 3 |
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 | 146 days | 165 days | 184 days |
| 32°F | 167 days | 187 days | 206 days |
| 28°F | 187 days | 209 days | 229 days |
| 24°F | 211 days | 230 days | 253 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 |
|---|---|---|---|
| 45891 | 6a | -10 to -5°F | 3 km |
| 45874 | 6a | -10 to -5°F | 11 km |
| 45863 | 6a | -10 to -5°F | 13 km |
| 45894 | 6a | -10 to -5°F | 14 km |
| 45838 | 6a | -10 to -5°F | 15 km |
| 45832 | 6a | -10 to -5°F | 15 km |
| 45833 | 6a | -10 to -5°F | 19 km |
| 45876 | 6a | -10 to -5°F | 22 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 USC00338609, at 40.8494, -84.5808, elevation 241 m (790 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 125.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Paulding (31 km)
- Celina 3 NE (31 km)
- Lima Wastewater Plant (40 km)
- Lima Allen Co Airport (49 km)
- Defiance (50 km)
- Hicksville (51 km)
- Pandora (53 km)
- Defiance Mem Airport (56 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.