Frost dates for Ashland Hanover Co Muni Airport, VA
At Ashland Hanover Co Muni Airport, the median last spring frost (32°F) is Apr 10 and the median first fall frost is Oct 31, for a typical growing season of 202 days. For a 90% chance that the last frost has passed, wait until Apr 29. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 10Last spring frost (median)50% chance of 32°F after this date
- Apr 29Safer planting date10% chance of 32°F after this date
- Oct 31First fall frost (median)50% chance of 32°F by this date
- 202 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 8 | Apr 23 | May 10 |
| 32°F | Mar 27 | Apr 10 | Apr 29 |
| 28°F | Mar 12 | Mar 28 | Apr 11 |
| 24°F | Feb 25 | Mar 16 | Mar 31 |
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 8 | Oct 21 | Nov 2 |
| 32°F | Oct 17 | Oct 31 | Nov 13 |
| 28°F | Oct 29 | Nov 11 | Nov 30 |
| 24°F | Nov 7 | Nov 25 | Dec 16 |
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 | 161 days | 181 days | 200 days |
| 32°F | 183 days | 202 days | 223 days |
| 28°F | 206 days | 227 days | 252 days |
| 24°F | 229 days | 256 days | 281 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 |
|---|---|---|---|
| 23060 | 7b | 5 to 10°F | 10 km |
| 23228 | 7b | 5 to 10°F | 10 km |
| 23227 | 7b | 5 to 10°F | 11 km |
| 23116 | 7b | 5 to 10°F | 11 km |
| 23069 | 7b | 5 to 10°F | 12 km |
| 23294 | 7b | 5 to 10°F | 13 km |
| 23230 | 7b | 5 to 10°F | 14 km |
| 23226 | 7b | 5 to 10°F | 16 km |
| 23173 | 7b | 5 to 10°F | 17 km |
| 23229 | 7b | 5 to 10°F | 18 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 USW00093775, at 37.7081, -77.4344, elevation 62 m (205 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 88.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Ashland (7 km)
- Sandston (23 km)
- Richmond Intl Airport (25 km)
- Walkerton 2 NW (35 km)
- Crozier (39 km)
- Hopewell (48 km)
- Petersburg (52 km)
- Corbin (55 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.