Frost dates for Hamlin, WV
At Hamlin, the median last spring frost (32°F) is Apr 23 and the median first fall frost is Oct 21, for a typical growing season of 180 days. For a 90% chance that the last frost has passed, wait until May 9. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 23Last spring frost (median)50% chance of 32°F after this date
- May 9Safer planting date10% chance of 32°F after this date
- Oct 21First fall frost (median)50% chance of 32°F by this date
- 180 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 19 | May 2 | May 20 |
| 32°F | Apr 8 | Apr 23 | May 9 |
| 28°F | Mar 24 | Apr 9 | Apr 27 |
| 24°F | Mar 11 | Mar 29 | Apr 13 |
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 12 | Oct 24 |
| 32°F | Oct 9 | Oct 21 | Nov 2 |
| 28°F | Oct 17 | Oct 30 | Nov 11 |
| 24°F | Oct 26 | Nov 8 | 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 | 142 days | 163 days | 180 days |
| 32°F | 159 days | 180 days | 199 days |
| 28°F | 180 days | 201 days | 224 days |
| 24°F | 203 days | 225 days | 247 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 |
|---|---|---|---|
| 25523 | 7a | 0 to 5°F | 4 km |
| 25544 | 7a | 0 to 5°F | 5 km |
| 25571 | 7a | 0 to 5°F | 5 km |
| 25506 | 7a | 0 to 5°F | 11 km |
| 25559 | 7a | 0 to 5°F | 11 km |
| 25510 | 7a | 0 to 5°F | 12 km |
| 25521 | 7a | 0 to 5°F | 13 km |
| 25540 | 7a | 0 to 5°F | 14 km |
| 25573 | 7a | 0 to 5°F | 16 km |
| 25512 | 7a | 0 to 5°F | 20 km |
| 25557 | 7a | 0 to 5°F | 20 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 USC00463846, at 38.2794, -82.1114, elevation 207 m (680 ft).
- Data quality: Representative (10+ years), 18 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
- Pea Ridge Psd (23 km)
- Saint Albans (27 km)
- Madison 3nnw (30 km)
- Winfield Locks (32 km)
- Charleston WFO (34 km)
- Huntington Swg Pl (39 km)
- Huntington Tri State Airport (40 km)
- Dunlow 1 SW (45 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.