Frost dates for Caldwell 3se, OH
At Caldwell 3se, the median last spring frost (32°F) is Apr 30 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 20. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 30Last spring frost (median)50% chance of 32°F after this date
- May 20Safer 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 26 | May 12 | May 29 |
| 32°F | Apr 15 | Apr 30 | May 20 |
| 28°F | Apr 1 | Apr 19 | May 8 |
| 24°F | Mar 22 | Apr 6 | Apr 23 |
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 20 | Oct 3 | Oct 18 |
| 32°F | Sep 30 | Oct 14 | Nov 1 |
| 28°F | Oct 9 | Oct 27 | Nov 10 |
| 24°F | Oct 23 | Nov 5 | Nov 21 |
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 | 122 days | 145 days | 168 days |
| 32°F | 145 days | 167 days | 190 days |
| 28°F | 167 days | 191 days | 214 days |
| 24°F | 192 days | 215 days | 235 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 |
|---|---|---|---|
| 43724 | 6b | -5 to 0°F | 3 km |
| 45727 | 6b | -5 to 0°F | 8 km |
| 43717 | 6b | -5 to 0°F | 11 km |
| 43779 | 6b | -5 to 0°F | 12 km |
| 45746 | 6b | -5 to 0°F | 13 km |
| 43788 | 6b | -5 to 0°F | 15 km |
| 43786 | 6b | -5 to 0°F | 16 km |
| 45745 | 6b | -5 to 0°F | 17 km |
| 43711 | 6b | -5 to 0°F | 17 km |
| 43754 | 6b | -5 to 0°F | 19 km |
| 45734 | 6b | -5 to 0°F | 24 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 USC00331175, at 39.7161, -81.4642, elevation 268 m (880 ft).
- Data quality: Representative (10+ years), 11 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
- Beverly Stp (23 km)
- Cambridge (34 km)
- Mc Connellsville Lake 7 (34 km)
- Marietta Wastewater Plant (34 km)
- Barnesville (39 km)
- Philo 3 SW (41 km)
- Newport (42 km)
- Zanesville Muni Airport (44 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.