Frost dates for Williamsburg 2 N, VA
At Williamsburg 2 N, the median last spring frost (32°F) is Mar 31 and the median first fall frost is Nov 10, for a typical growing season of 225 days. For a 90% chance that the last frost has passed, wait until Apr 14. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Mar 31Last spring frost (median)50% chance of 32°F after this date
- Apr 14Safer planting date10% chance of 32°F after this date
- Nov 10First fall frost (median)50% chance of 32°F by this date
- 225 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 | Mar 28 | Apr 12 | May 1 |
| 32°F | Mar 15 | Mar 31 | Apr 14 |
| 28°F | Feb 28 | Mar 20 | Apr 4 |
| 24°F | Feb 11 | Mar 5 | Mar 23 |
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 21 | Nov 1 | Nov 12 |
| 32°F | Oct 29 | Nov 10 | Nov 26 |
| 28°F | Nov 7 | Nov 23 | Dec 13 |
| 24°F | Nov 18 | Dec 8 | Jan 2 |
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 | 182 days | 203 days | 221 days |
| 32°F | 205 days | 225 days | 248 days |
| 28°F | 227 days | 252 days | 277 days |
| 24°F | 254 days | 280 days | 308 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 |
|---|---|---|---|
| 23188 | 8a | 10 to 15°F | 6 km |
| 23185 | 8a | 10 to 15°F | 7 km |
| 23691 | 8a | 10 to 15°F | 13 km |
| 23081 | 8a | 10 to 15°F | 13 km |
| 23168 | 7b | 5 to 10°F | 15 km |
| 23883 | 8a | 10 to 15°F | 19 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 USC00449151, at 37.3017, -76.7039, elevation 21 m (70 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 68.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Newport News Intl Airport (27 km)
- N (27 km)
- W Point 2 NW (31 km)
- Langley AFB (40 km)
- Norfolk Rich (44 km)
- Wakefield 1nw (44 km)
- Disputanta (49 km)
- Hopewell (51 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.