Frost dates for New Bedford COOP, MA
At New Bedford COOP, the median last spring frost (32°F) is Apr 11 and the median first fall frost is Nov 5, for a typical growing season of 208 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 11Last spring frost (median)50% chance of 32°F after this date
- Apr 22Safer planting date10% chance of 32°F after this date
- Nov 5First fall frost (median)50% chance of 32°F by this date
- 208 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 10 | Apr 24 | May 5 |
| 32°F | Mar 30 | Apr 11 | Apr 22 |
| 28°F | Mar 18 | Apr 1 | Apr 12 |
| 24°F | Mar 9 | Mar 22 | Apr 2 |
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 27 | Nov 8 |
| 32°F | Oct 24 | Nov 5 | Nov 18 |
| 28°F | Nov 4 | Nov 16 | Dec 1 |
| 24°F | Nov 12 | Nov 27 | Dec 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 | 164 days | 184 days | 204 days |
| 32°F | 190 days | 208 days | 225 days |
| 28°F | 212 days | 230 days | 248 days |
| 24°F | 230 days | 249 days | 271 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 |
|---|---|---|---|
| 02744 | 7a | 0 to 5°F | 1 km |
| 02719 | 7a | 0 to 5°F | 5 km |
| 02748 | 7a | 0 to 5°F | 7 km |
| 02739 | 7a | 0 to 5°F | 11 km |
| 02713 | 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 USC00195246, at 41.5953, -70.9053, elevation 6 m (18 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 104.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- New Bedford Muni Airport (10 km)
- Rochester (21 km)
- Woods Hole Golf Club (22 km)
- E Wareham (27 km)
- Middleboro (32 km)
- Taunton Muni Airport (33 km)
- Vineyard Haven Airport (33 km)
- Taunton (36 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.