Frost dates for Alcove Dam, NY
At Alcove Dam, the median last spring frost (32°F) is May 3 and the median first fall frost is Oct 12, for a typical growing season of 160 days. For a 90% chance that the last frost has passed, wait until May 18. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- May 3Last spring frost (median)50% chance of 32°F after this date
- May 18Safer planting date10% chance of 32°F after this date
- Oct 12First fall frost (median)50% chance of 32°F by this date
- 160 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 | May 1 | May 16 | May 29 |
| 32°F | Apr 20 | May 3 | May 18 |
| 28°F | Apr 8 | Apr 21 | May 5 |
| 24°F | Mar 31 | Apr 9 | Apr 22 |
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 | Sep 18 | Oct 1 | Oct 14 |
| 32°F | Oct 1 | Oct 12 | Oct 27 |
| 28°F | Oct 10 | Oct 25 | Nov 7 |
| 24°F | Oct 24 | Nov 5 | Nov 20 |
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 | 119 days | 139 days | 157 days |
| 32°F | 141 days | 160 days | 180 days |
| 28°F | 164 days | 185 days | 204 days |
| 24°F | 191 days | 209 days | 227 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 |
|---|---|---|---|
| 12007 | 5b | -15 to -10°F | 4 km |
| 12046 | 5b | -15 to -10°F | 4 km |
| 12087 | 5b | -15 to -10°F | 5 km |
| 12143 | 6a | -10 to -5°F | 7 km |
| 12041 | 5b | -15 to -10°F | 9 km |
| 12083 | 5b | -15 to -10°F | 10 km |
| 12161 | 6a | -10 to -5°F | 10 km |
| 12067 | 6a | -10 to -5°F | 10 km |
| 12193 | 5b | -15 to -10°F | 11 km |
| 12192 | 6a | -10 to -5°F | 11 km |
| 12158 | 6a | -10 to -5°F | 12 km |
| 12054 | 6a | -10 to -5°F | 16 km |
| 12120 | 5b | -15 to -10°F | 17 km |
| 12147 | 5b | -15 to -10°F | 20 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 USC00300063, at 42.4697, -73.9267, elevation 185 m (607 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 156.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cairo 3 NW (19 km)
- Valatie 1 N (20 km)
- Hudson Correctional Facility (27 km)
- E Jewett (32 km)
- Albany Airport (32 km)
- Troy L&d (37 km)
- Schoharie (38 km)
- Delanson 2ne (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.