Frost dates for Kumbrabow, WV
At Kumbrabow, the median last spring frost (32°F) is May 7 and the median first fall frost is Oct 6, for a typical growing season of 150 days. For a 90% chance that the last frost has passed, wait until May 26. Nearby ZIP codes are in USDA hardiness zone 6a.
- May 7Last spring frost (median)50% chance of 32°F after this date
- May 26Safer planting date10% chance of 32°F after this date
- Oct 6First fall frost (median)50% chance of 32°F by this date
- 150 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 6a (-10 to -5°F) · see all zone 6a frost dates
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 | May 3 | May 21 | Jun 5 |
| 32°F | Apr 22 | May 7 | May 26 |
| 28°F | Apr 15 | Apr 26 | May 14 |
| 24°F | Apr 3 | Apr 15 | May 1 |
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 12 | Sep 27 | Oct 9 |
| 32°F | Sep 22 | Oct 6 | Oct 20 |
| 28°F | Oct 3 | Oct 18 | Oct 31 |
| 24°F | Oct 15 | Oct 29 | Nov 10 |
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 | 106 days | 128 days | 149 days |
| 32°F | 128 days | 150 days | 171 days |
| 28°F | 151 days | 173 days | 194 days |
| 24°F | 175 days | 197 days | 214 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 |
|---|---|---|---|
| 26280 | 6a | -10 to -5°F | 10 km |
| 26273 | 6a | -10 to -5°F | 11 km |
| 26294 | 6a | -10 to -5°F | 12 km |
| 26282 | 6a | -10 to -5°F | 13 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 USC00464971, at 38.6314, -80.0856, elevation 986 m (3,235 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 159.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Pickens 2 N (11 km)
- Hacker Valley (26 km)
- Snowshoe (27 km)
- Bartow 1S (30 km)
- Webster Springs 8 N (31 km)
- Rock Cave 2 NE (32 km)
- Elkins Randolph Co Airport (35 km)
- Glady 1 N (37 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.