Frost dates for Langley AFB, VA
At Langley AFB, the median last spring frost (32°F) is Mar 24 and the median first fall frost is Nov 15, for a typical growing season of 238 days. For a 90% chance that the last frost has passed, wait until Apr 6. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 24Last spring frost (median)50% chance of 32°F after this date
- Apr 6Safer planting date10% chance of 32°F after this date
- Nov 15First fall frost (median)50% chance of 32°F by this date
- 238 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 22 | Apr 4 | Apr 18 |
| 32°F | Mar 9 | Mar 24 | Apr 6 |
| 28°F | Feb 22 | Mar 10 | Mar 28 |
| 24°F | Feb 1 | Feb 25 | Mar 13 |
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 25 | Nov 5 | Nov 18 |
| 32°F | Nov 3 | Nov 15 | Dec 2 |
| 28°F | Nov 10 | Nov 28 | Dec 20 |
| 24°F | Nov 23 | Dec 18 | Jan 12 |
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 | 198 days | 216 days | 234 days |
| 32°F | 217 days | 238 days | 261 days |
| 28°F | 240 days | 266 days | 292 days |
| 24°F | 267 days | 297 days | 325 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 |
|---|---|---|---|
| 23665 | 8b | 15 to 20°F | 1 km |
| 23681 | 8b | 15 to 20°F | 3 km |
| 23669 | 8b | 15 to 20°F | 4 km |
| 23664 | 8b | 15 to 20°F | 5 km |
| 23662 | 8b | 15 to 20°F | 6 km |
| 23666 | 8b | 15 to 20°F | 6 km |
| 23667 | 8b | 15 to 20°F | 7 km |
| 23663 | 8b | 15 to 20°F | 8 km |
| 23661 | 8b | 15 to 20°F | 9 km |
| 23605 | 8b | 15 to 20°F | 11 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 USW00013702, at 37.0833, -76.3500, elevation 3 m (10 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 52.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Newport News Intl Airport (14 km)
- Norfolk NAS (16 km)
- Norfolk Intl Airport (24 km)
- Norfolk S (26 km)
- Williamsburg 2 N (40 km)
- N (40 km)
- Oceana NAS (41 km)
- Cape Charles 5 ENE (44 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.