Frost dates for Saltville 1n, VA
At Saltville 1n, the median last spring frost (32°F) is Apr 23 and the median first fall frost is Oct 20, for a typical growing season of 178 days. For a 90% chance that the last frost has passed, wait until May 10. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 23Last spring frost (median)50% chance of 32°F after this date
- May 10Safer planting date10% chance of 32°F after this date
- Oct 20First fall frost (median)50% chance of 32°F by this date
- 178 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 21 | May 5 | May 22 |
| 32°F | Apr 10 | Apr 23 | May 10 |
| 28°F | Mar 25 | Apr 9 | Apr 23 |
| 24°F | Mar 13 | Mar 27 | Apr 12 |
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 30 | Oct 11 | Oct 25 |
| 32°F | Oct 8 | Oct 20 | Nov 1 |
| 28°F | Oct 14 | Oct 29 | Nov 9 |
| 24°F | Oct 24 | Nov 5 | Nov 22 |
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 | 138 days | 159 days | 177 days |
| 32°F | 158 days | 178 days | 197 days |
| 28°F | 181 days | 201 days | 221 days |
| 24°F | 203 days | 224 days | 246 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 |
|---|---|---|---|
| 24370 | 7a | 0 to 5°F | 8 km |
| 24316 | 6b | -5 to 0°F | 12 km |
| 24327 | 7a | 0 to 5°F | 14 km |
| 24361 | 7a | 0 to 5°F | 15 km |
| 24340 | 7a | 0 to 5°F | 15 km |
| 24319 | 7a | 0 to 5°F | 17 km |
| 24354 | 7a | 0 to 5°F | 22 km |
| 24377 | 6b | -5 to 0°F | 22 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 USC00447506, at 36.8894, -81.7711, elevation 528 m (1,733 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 121.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Richlands (23 km)
- Lebanon (24 km)
- Abingdon 3s (30 km)
- Burkes Garden (45 km)
- Nora 4 SSE (51 km)
- Grundy (52 km)
- Elk Creek 4ssw (57 km)
- Wytheville (61 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.