Frost dates for Mount Nebo 1 S, WV
At Mount Nebo 1 S, the median last spring frost (32°F) is May 5 and the median first fall frost is Oct 7, for a typical growing season of 154 days. For a 90% chance that the last frost has passed, wait until May 24. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- May 5Last spring frost (median)50% chance of 32°F after this date
- May 24Safer planting date10% chance of 32°F after this date
- Oct 7First fall frost (median)50% chance of 32°F by this date
- 154 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 29 | May 17 | Jun 1 |
| 32°F | Apr 20 | May 5 | May 24 |
| 28°F | Apr 7 | Apr 25 | May 16 |
| 24°F | Mar 25 | Apr 11 | Apr 30 |
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 17 | Sep 30 | Oct 11 |
| 32°F | Sep 25 | Oct 7 | Oct 22 |
| 28°F | Oct 5 | Oct 18 | Nov 1 |
| 24°F | Oct 13 | Oct 29 | Nov 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 | 115 days | 136 days | 156 days |
| 32°F | 132 days | 154 days | 174 days |
| 28°F | 151 days | 175 days | 198 days |
| 24°F | 178 days | 201 days | 223 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 |
|---|---|---|---|
| 26684 | 6a | -10 to -5°F | 3 km |
| 26679 | 6b | -5 to 0°F | 4 km |
| 26662 | 6b | -5 to 0°F | 10 km |
| 26680 | 6b | -5 to 0°F | 11 km |
| 26681 | 6b | -5 to 0°F | 11 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 USC00466284, at 38.1878, -80.8483, elevation 595 m (1,953 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 136.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Summersville Lake (5 km)
- Rupert 4 N (24 km)
- Anstead Hawks Nest State Park (25 km)
- Richwood 1sse (29 km)
- Oak Hill (36 km)
- London Locks (46 km)
- Beckley Raleigh Co Airport (51 km)
- Gassaway (54 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.