Frost dates for Glassboro 2 NE, NJ
At Glassboro 2 NE, the median last spring frost (32°F) is Apr 8 and the median first fall frost is Nov 1, for a typical growing season of 205 days. For a 90% chance that the last frost has passed, wait until Apr 22. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 8Last spring frost (median)50% chance of 32°F after this date
- Apr 22Safer planting date10% chance of 32°F after this date
- Nov 1First fall frost (median)50% chance of 32°F by this date
- 205 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 8 | Apr 22 | May 4 |
| 32°F | Mar 27 | Apr 8 | Apr 22 |
| 28°F | Mar 12 | Mar 27 | Apr 9 |
| 24°F | Feb 28 | Mar 15 | Mar 28 |
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 9 | Oct 21 | Nov 2 |
| 32°F | Oct 18 | Nov 1 | Nov 15 |
| 28°F | Oct 30 | Nov 11 | Nov 29 |
| 24°F | Nov 8 | Nov 24 | Dec 14 |
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 | 164 days | 182 days | 200 days |
| 32°F | 187 days | 205 days | 224 days |
| 28°F | 210 days | 229 days | 252 days |
| 24°F | 235 days | 256 days | 280 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 |
|---|---|---|---|
| 08080 | 7b | 5 to 10°F | 3 km |
| 08071 | 7b | 5 to 10°F | 3 km |
| 08028 | 7b | 5 to 10°F | 5 km |
| 08074 | 7b | 5 to 10°F | 6 km |
| 08012 | 7b | 5 to 10°F | 6 km |
| 08090 | 7b | 5 to 10°F | 8 km |
| 08312 | 7b | 5 to 10°F | 8 km |
| 08051 | 7b | 5 to 10°F | 9 km |
| 08081 | 7a | 0 to 5°F | 10 km |
| 08062 | 7b | 5 to 10°F | 11 km |
| 08021 | 7b | 5 to 10°F | 11 km |
| 08029 | 7b | 5 to 10°F | 12 km |
| 08084 | 7b | 5 to 10°F | 12 km |
| 08083 | 7b | 5 to 10°F | 13 km |
| 08078 | 7b | 5 to 10°F | 13 km |
| 08039 | 7b | 5 to 10°F | 17 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 USC00283291, at 39.7358, -75.0953, elevation 30 m (100 ft).
- Data quality: Representative (10+ years), 11 years of freeze data.
- Average days per year at or below 32°F: 100.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Woodstown Pittsgrov 4e (22 km)
- Moorestown (26 km)
- Pennsauken 1n (26 km)
- Hammonton 1 NE (27 km)
- Indian Mills 2 W (28 km)
- Seabrook Farms (30 km)
- Mount Holly S Jersey Airport (32 km)
- Philadelphia/mt Holly WFO (39 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.