Frost dates for Millport 4 NE, OH
At Millport 4 NE, the median last spring frost (32°F) is May 2 and the median first fall frost is Oct 13, for a typical growing season of 165 days. For a 90% chance that the last frost has passed, wait until May 20. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- May 2Last spring frost (median)50% chance of 32°F after this date
- May 20Safer planting date10% chance of 32°F after this date
- Oct 13First fall frost (median)50% chance of 32°F by this date
- 165 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 27 | May 14 | May 28 |
| 32°F | Apr 18 | May 2 | May 20 |
| 28°F | Apr 4 | Apr 20 | May 9 |
| 24°F | Mar 23 | Apr 8 | Apr 25 |
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 21 | Oct 4 | Oct 17 |
| 32°F | Oct 1 | Oct 13 | Oct 29 |
| 28°F | Oct 9 | Oct 26 | Nov 10 |
| 24°F | Oct 20 | Nov 6 | 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 | 123 days | 142 days | 164 days |
| 32°F | 142 days | 165 days | 187 days |
| 28°F | 163 days | 187 days | 210 days |
| 24°F | 190 days | 213 days | 237 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 |
|---|---|---|---|
| 44423 | 6a | -10 to -5°F | 4 km |
| 44493 | 6a | -10 to -5°F | 6 km |
| 44432 | 6a | -10 to -5°F | 9 km |
| 44427 | 6a | -10 to -5°F | 11 km |
| 43962 | 6a | -10 to -5°F | 11 km |
| 44431 | 6a | -10 to -5°F | 12 km |
| 44415 | 6b | -5 to 0°F | 13 km |
| 44665 | 6a | -10 to -5°F | 13 km |
| 44460 | 6a | -10 to -5°F | 15 km |
| 43945 | 6a | -10 to -5°F | 15 km |
| 44625 | 6a | -10 to -5°F | 15 km |
| 44490 | 6a | -10 to -5°F | 16 km |
| 44607 | 6a | -10 to -5°F | 17 km |
| 44619 | 6b | -5 to 0°F | 17 km |
| 44634 | 6a | -10 to -5°F | 17 km |
| 44651 | 6a | -10 to -5°F | 19 km |
| 44408 | 6a | -10 to -5°F | 19 km |
| 44609 | 6a | -10 to -5°F | 19 km |
| 44657 | 6a | -10 to -5°F | 20 km |
| 44455 | 6b | -5 to 0°F | 21 km |
| 44445 | 6a | -10 to -5°F | 22 km |
| 44672 | 6a | -10 to -5°F | 22 km |
| 44669 | 6a | -10 to -5°F | 25 km |
| 44452 | 6a | -10 to -5°F | 26 km |
| 44449 | 6a | -10 to -5°F | 27 km |
| 44644 | 6b | -5 to 0°F | 29 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 USC00335315, at 40.7692, -80.8561, elevation 357 m (1,170 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 139.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Steubenville (48 km)
- Warren 3 S (48 km)
- Akron Canton Regional Airport (51 km)
- Ravenna 2 S (54 km)
- Youngstown Regional Airport (56 km)
- Cadiz (57 km)
- Dennison Wtr Wks (58 km)
- New Philadelphia (58 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.