Frost dates for Brookneal, VA
At Brookneal, the median last spring frost (32°F) is Apr 17 and the median first fall frost is Oct 24, for a typical growing season of 188 days. For a 90% chance that the last frost has passed, wait until May 5. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 17Last spring frost (median)50% chance of 32°F after this date
- May 5Safer planting date10% chance of 32°F after this date
- Oct 24First fall frost (median)50% chance of 32°F by this date
- 188 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 7b (5 to 10°F) · see all zone 7b 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 | Apr 14 | Apr 29 | May 15 |
| 32°F | Apr 2 | Apr 17 | May 5 |
| 28°F | Mar 20 | Apr 4 | Apr 19 |
| 24°F | Mar 5 | Mar 22 | Apr 6 |
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 3 | Oct 15 | Oct 28 |
| 32°F | Oct 10 | Oct 24 | Nov 5 |
| 28°F | Oct 17 | Nov 1 | Nov 15 |
| 24°F | Oct 28 | Nov 11 | Dec 1 |
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 | 148 days | 169 days | 187 days |
| 32°F | 168 days | 188 days | 208 days |
| 28°F | 190 days | 211 days | 231 days |
| 24°F | 213 days | 234 days | 259 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 |
|---|---|---|---|
| 24528 | 7b | 5 to 10°F | 7 km |
| 24554 | 7a | 0 to 5°F | 12 km |
| 24577 | 7b | 5 to 10°F | 14 km |
| 24569 | 7b | 5 to 10°F | 16 km |
| 24563 | 7b | 5 to 10°F | 28 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 USC00441082, at 37.0678, -78.9517, elevation 124 m (408 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 125.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Charlotte Court House (27 km)
- Appomattox (31 km)
- Lynchburg Regional Airport (36 km)
- S Boston (42 km)
- Keysville 2 S (42 km)
- Lynchburg #2 (43 km)
- Chatham (49 km)
- Chase City (53 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.