Frost dates for Clintwood 1w, VA
At Clintwood 1w, the median last spring frost (32°F) is Apr 29 and the median first fall frost is Oct 16, for a typical growing season of 169 days. For a 90% chance that the last frost has passed, wait until May 15. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 29Last spring frost (median)50% chance of 32°F after this date
- May 15Safer planting date10% chance of 32°F after this date
- Oct 16First fall frost (median)50% chance of 32°F by this date
- 169 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 25 | May 9 | May 26 |
| 32°F | Apr 15 | Apr 29 | May 15 |
| 28°F | Apr 1 | Apr 15 | May 3 |
| 24°F | Mar 16 | Apr 1 | Apr 14 |
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 27 | Oct 8 | Oct 20 |
| 32°F | Oct 4 | Oct 16 | Nov 1 |
| 28°F | Oct 13 | Oct 26 | Nov 7 |
| 24°F | Oct 22 | Nov 4 | Nov 19 |
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 | 131 days | 151 days | 172 days |
| 32°F | 149 days | 169 days | 190 days |
| 28°F | 171 days | 192 days | 211 days |
| 24°F | 196 days | 217 days | 238 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 |
|---|---|---|---|
| 24228 | 6b | -5 to 0°F | 4 km |
| 41563 | 7a | 0 to 5°F | 10 km |
| 41517 | 6b | -5 to 0°F | 11 km |
| 41512 | 7a | 0 to 5°F | 12 km |
| 41537 | 7a | 0 to 5°F | 14 km |
| 41534 | 7a | 0 to 5°F | 15 km |
| 41835 | 7a | 0 to 5°F | 18 km |
| 41538 | 7a | 0 to 5°F | 20 km |
| 41572 | 7a | 0 to 5°F | 23 km |
| 41650 | 7a | 0 to 5°F | 27 km |
| 41604 | 7a | 0 to 5°F | 31 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 USC00441825, at 37.1456, -82.4908, elevation 477 m (1,566 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 133.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Wise 1se (20 km)
- Nora 4 SSE (21 km)
- Breaks Interstate Park (24 km)
- Grundy (39 km)
- Big Stone Gap (42 km)
- Lebanon (48 km)
- Richlands (62 km)
- Pennington Gap (63 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.