Frost dates for Montauk Airport, NY
At Montauk Airport, the median last spring frost (32°F) is Apr 7 and the median first fall frost is Nov 15, for a typical growing season of 222 days. For a 90% chance that the last frost has passed, wait until Apr 20. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 7Last spring frost (median)50% chance of 32°F after this date
- Apr 20Safer planting date10% chance of 32°F after this date
- Nov 15First fall frost (median)50% chance of 32°F by this date
- 222 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 9 | Apr 23 | May 6 |
| 32°F | Mar 26 | Apr 7 | Apr 20 |
| 28°F | Mar 11 | Mar 26 | Apr 6 |
| 24°F | Feb 27 | Mar 13 | Mar 29 |
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 22 | Nov 4 | Nov 17 |
| 32°F | Nov 2 | Nov 15 | Nov 29 |
| 28°F | Nov 14 | Nov 27 | Dec 13 |
| 24°F | Nov 25 | Dec 9 | Dec 29 |
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 | 176 days | 194 days | 212 days |
| 32°F | 202 days | 222 days | 240 days |
| 28°F | 227 days | 247 days | 269 days |
| 24°F | 249 days | 272 days | 294 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 |
|---|---|---|---|
| 11954 | 7b | 5 to 10°F | 4 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 USW00054780, at 41.0731, -71.9233, elevation 2 m (7 ft).
- Data quality: Representative (10+ years), 22 years of freeze data.
- Average days per year at or below 32°F: 74.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Orient Point State Park (29 km)
- Bridgehampton (34 km)
- Mattituck (50 km)
- Westhamptn Gabreski Airport (65 km)
- Riverhead Rsch Farm (68 km)
- Baiting Hollow (70 km)
- Upton COOP - Nwsfo New York (82 km)
- Shirley Brookhaven Airport (84 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.