Frost dates for Belleplain Station Forest, NJ
At Belleplain Station Forest, the median last spring frost (32°F) is Apr 24 and the median first fall frost is Oct 22, for a typical growing season of 181 days. For a 90% chance that the last frost has passed, wait until May 18. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 24Last spring frost (median)50% chance of 32°F after this date
- May 18Safer planting date10% chance of 32°F after this date
- Oct 22First fall frost (median)50% chance of 32°F by this date
- 181 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 | Apr 20 | May 7 | May 27 |
| 32°F | Apr 5 | Apr 24 | May 18 |
| 28°F | Mar 23 | Apr 6 | May 3 |
| 24°F | Mar 9 | Mar 26 | Apr 11 |
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 1 | Oct 13 | Oct 25 |
| 32°F | Oct 8 | Oct 22 | Nov 3 |
| 28°F | Oct 20 | Nov 4 | Nov 18 |
| 24°F | Nov 3 | Nov 16 | 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 | 135 days | 158 days | 180 days |
| 32°F | 153 days | 181 days | 204 days |
| 28°F | 180 days | 210 days | 231 days |
| 24°F | 213 days | 234 days | 258 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 |
|---|---|---|---|
| 08270 | 7a | 0 to 5°F | 3 km |
| 08245 | 7b | 5 to 10°F | 8 km |
| 08316 | 7b | 5 to 10°F | 9 km |
| 08314 | 7b | 5 to 10°F | 9 km |
| 08327 | 7b | 5 to 10°F | 9 km |
| 08246 | 7b | 5 to 10°F | 10 km |
| 08230 | 7b | 5 to 10°F | 13 km |
| 08324 | 7b | 5 to 10°F | 14 km |
| 08210 | 7b | 5 to 10°F | 14 km |
| 08243 | 7b | 5 to 10°F | 17 km |
| 08248 | 7b | 5 to 10°F | 17 km |
| 08202 | 7b | 5 to 10°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 USC00280690, at 39.2483, -74.8431, elevation 9 m (30 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 118.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Estell Manor (15 km)
- Millville Muni Airport (23 km)
- Margate (31 km)
- Atlantic City Intl Airport (33 km)
- Cape May 2 NW (34 km)
- Atlantic City (39 km)
- Seabrook Farms (42 km)
- Woodstown Pittsgrov 4e (43 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.