Frost dates for Atlantic Beach Water Plant, NC
At Atlantic Beach Water Plant, the median last spring frost (32°F) is Mar 3 and the median first fall frost is Dec 13, for a typical growing season of 286 days. For a 90% chance that the last frost has passed, wait until Mar 21. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 3Last spring frost (median)50% chance of 32°F after this date
- Mar 21Safer planting date10% chance of 32°F after this date
- Dec 13First fall frost (median)50% chance of 32°F by this date
- 286 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 | Feb 27 | Mar 18 | Apr 3 |
| 32°F | Feb 9 | Mar 3 | Mar 21 |
| 28°F | Jan 19 | Feb 17 | Mar 10 |
| 24°F | Jan 5 | Jan 31 | Feb 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 | Nov 12 | Nov 29 | Dec 19 |
| 32°F | Nov 25 | Dec 13 | Jan 9 |
| 28°F | Dec 7 | Dec 31 | Jan 23 |
| 24°F | Dec 17 | Jan 10 | Feb 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 | 234 days | 257 days | 285 days |
| 32°F | 257 days | 286 days | 314 days |
| 28°F | 284 days | 312 days | 345 days |
| 24°F | 309 days | 338 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 98% |
| 24°F | 80% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 28512 | 8b | 15 to 20°F | 6 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 USC00310356, at 34.6997, -76.7381, elevation 1 m (4 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 27.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Morehead City 2 WNW (4 km)
- Beaufort Michael J Smith Field (8 km)
- Newport/morehead City WFO (15 km)
- Cherry Point MCAS (26 km)
- Bayboro 3 SW (48 km)
- New Bern Craven Co Airport (50 km)
- Reelsboro (51 km)
- Perrytown (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.
All North Carolina stations · How frost dates are calculated