Frost dates for Newport News Intl Airport, VA
At Newport News Intl Airport, the median last spring frost (32°F) is Apr 1 and the median first fall frost is Nov 9, for a typical growing season of 221 days. For a 90% chance that the last frost has passed, wait until Apr 18. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Apr 1Last spring frost (median)50% chance of 32°F after this date
- Apr 18Safer planting date10% chance of 32°F after this date
- Nov 9First fall frost (median)50% chance of 32°F by this date
- 221 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 31 | Apr 15 | May 3 |
| 32°F | Mar 18 | Apr 1 | Apr 18 |
| 28°F | Mar 2 | Mar 20 | Apr 4 |
| 24°F | Feb 13 | Mar 6 | Mar 25 |
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 20 | Oct 31 | Nov 11 |
| 32°F | Oct 31 | Nov 9 | Nov 25 |
| 28°F | Nov 5 | Nov 20 | Dec 8 |
| 24°F | Nov 15 | Dec 4 | Jan 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 | 178 days | 198 days | 217 days |
| 32°F | 203 days | 221 days | 241 days |
| 28°F | 222 days | 244 days | 270 days |
| 24°F | 248 days | 273 days | 304 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 |
|---|---|---|---|
| 23602 | 8a | 10 to 15°F | 3 km |
| 23693 | 8a | 10 to 15°F | 4 km |
| 23608 | 8a | 10 to 15°F | 5 km |
| 23606 | 8a | 10 to 15°F | 8 km |
| 23604 | 8a | 10 to 15°F | 9 km |
| 23696 | 8a | 10 to 15°F | 9 km |
| 23603 | 8a | 10 to 15°F | 9 km |
| 23690 | 8a | 10 to 15°F | 10 km |
| 23601 | 8b | 15 to 20°F | 11 km |
| 23692 | 8a | 10 to 15°F | 11 km |
| 23062 | 8a | 10 to 15°F | 15 km |
| 23304 | 8a | 10 to 15°F | 17 km |
| 23314 | 8b | 15 to 20°F | 19 km |
| 23430 | 8a | 10 to 15°F | 21 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 USW00093741, at 37.1319, -76.4930, elevation 13 m (42 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 64.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Langley AFB (14 km)
- Williamsburg 2 N (27 km)
- Norfolk NAS (27 km)
- N (34 km)
- Norfolk Intl Airport (37 km)
- Norfolk S (37 km)
- Suffolk Lake Kilby (46 km)
- Norfolk Rich (49 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.