Frost dates for Corbin, VA
At Corbin, the median last spring frost (32°F) is Apr 14 and the median first fall frost is Oct 27, for a typical growing season of 195 days. For a 90% chance that the last frost has passed, wait until May 4. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 14Last spring frost (median)50% chance of 32°F after this date
- May 4Safer planting date10% chance of 32°F after this date
- Oct 27First fall frost (median)50% chance of 32°F by this date
- 195 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 12 | Apr 28 | May 15 |
| 32°F | Mar 30 | Apr 14 | May 4 |
| 28°F | Mar 13 | Mar 31 | Apr 14 |
| 24°F | Feb 27 | Mar 19 | Apr 2 |
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 4 | Oct 16 | Oct 29 |
| 32°F | Oct 13 | Oct 27 | Nov 8 |
| 28°F | Oct 25 | Nov 6 | Nov 21 |
| 24°F | Nov 4 | Nov 18 | Dec 9 |
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 | 149 days | 171 days | 190 days |
| 32°F | 171 days | 195 days | 216 days |
| 28°F | 200 days | 220 days | 243 days |
| 24°F | 224 days | 247 days | 273 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 |
|---|---|---|---|
| 22408 | 7b | 5 to 10°F | 7 km |
| 22538 | 7b | 5 to 10°F | 9 km |
| 22580 | 7b | 5 to 10°F | 11 km |
| 22427 | 7b | 5 to 10°F | 16 km |
| 22535 | 7b | 5 to 10°F | 18 km |
| 22485 | 7b | 5 to 10°F | 20 km |
| 22514 | 7b | 5 to 10°F | 22 km |
| 22436 | 7b | 5 to 10°F | 26 km |
| 22509 | 7b | 5 to 10°F | 28 km |
| 22534 | 7a | 0 to 5°F | 29 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 USC00442009, at 38.2022, -77.3747, elevation 67 m (220 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 93.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fredericksburg Sewage (12 km)
- Quantico MCAS (34 km)
- Ashland (51 km)
- Ashland Hanover Co Muni Airport (55 km)
- Warsaw 2 NW (57 km)
- Louisa (58 km)
- Walkerton 2 NW (59 km)
- Manassas (60 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.