Frost dates for Ellenburg Depot, NY
At Ellenburg Depot, the median last spring frost (32°F) is May 10 and the median first fall frost is Oct 2, for a typical growing season of 144 days. For a 90% chance that the last frost has passed, wait until May 25. Nearby ZIP codes are in USDA hardiness zones 4b to 5a.
- May 10Last spring frost (median)50% chance of 32°F after this date
- May 25Safer planting date10% chance of 32°F after this date
- Oct 2First fall frost (median)50% chance of 32°F by this date
- 144 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 8 | May 24 | Jun 6 |
| 32°F | Apr 27 | May 10 | May 25 |
| 28°F | Apr 15 | Apr 29 | May 13 |
| 24°F | Apr 5 | Apr 16 | Apr 30 |
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 9 | Sep 22 | Oct 3 |
| 32°F | Sep 17 | Oct 2 | Oct 18 |
| 28°F | Sep 30 | Oct 14 | Nov 2 |
| 24°F | Oct 10 | Oct 30 | Nov 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 | 100 days | 120 days | 139 days |
| 32°F | 124 days | 144 days | 165 days |
| 28°F | 146 days | 168 days | 189 days |
| 24°F | 173 days | 194 days | 212 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 |
|---|---|---|---|
| 12933 | 4b | -25 to -20°F | 3 km |
| 12935 | 5a | -20 to -15°F | 8 km |
| 12959 | 4b | -25 to -20°F | 9 km |
| 12923 | 5a | -20 to -15°F | 11 km |
| 12934 | 5a | -20 to -15°F | 12 km |
| 12955 | 4b | -25 to -20°F | 18 km |
| 12915 | 4b | -25 to -20°F | 18 km |
| 12920 | 5a | -20 to -15°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 USC00302574, at 44.9131, -73.8222, elevation 290 m (950 ft).
- Data quality: Estimated from nearby stations (2+ years), 9 years of freeze data.
- Average days per year at or below 32°F: 169.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dannemora (23 km)
- Chazy (34 km)
- Malone (39 km)
- Plattsburgh Intl Airport (41 km)
- Peru 2 WSW (43 km)
- Saranac Regional Airport (66 km)
- Willsboro 1 N (68 km)
- Lake Placid 2 S (69 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.