Frost dates for Whitehall, NY
At Whitehall, the median last spring frost (32°F) is Apr 30 and the median first fall frost is Oct 12, for a typical growing season of 164 days. For a 90% chance that the last frost has passed, wait until May 14. Nearby ZIP codes are in USDA hardiness zones 4b to 5a.
- Apr 30Last spring frost (median)50% chance of 32°F after this date
- May 14Safer planting date10% chance of 32°F after this date
- Oct 12First fall frost (median)50% chance of 32°F by this date
- 164 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 29 | May 11 | May 24 |
| 32°F | Apr 18 | Apr 30 | May 14 |
| 28°F | Apr 6 | Apr 19 | May 3 |
| 24°F | Mar 29 | Apr 8 | Apr 20 |
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 19 | Oct 1 | Oct 15 |
| 32°F | Sep 28 | Oct 12 | Oct 26 |
| 28°F | Oct 7 | Oct 24 | Nov 6 |
| 24°F | Oct 22 | Nov 4 | Nov 19 |
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 | 125 days | 144 days | 161 days |
| 32°F | 144 days | 164 days | 183 days |
| 28°F | 166 days | 188 days | 207 days |
| 24°F | 191 days | 211 days | 229 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 |
|---|---|---|---|
| 12887 | 5a | -20 to -15°F | 4 km |
| 12819 | 5a | -20 to -15°F | 7 km |
| 12841 | 5a | -20 to -15°F | 9 km |
| 12821 | 5a | -20 to -15°F | 12 km |
| 12854 | 5a | -20 to -15°F | 13 km |
| 12837 | 5a | -20 to -15°F | 15 km |
| 12849 | 5a | -20 to -15°F | 15 km |
| 05743 | 5a | -20 to -15°F | 15 km |
| 05764 | 5a | -20 to -15°F | 17 km |
| 05732 | 5a | -20 to -15°F | 18 km |
| 12874 | 5a | -20 to -15°F | 19 km |
| 12814 | 5a | -20 to -15°F | 20 km |
| 12861 | 5a | -20 to -15°F | 21 km |
| 12832 | 5a | -20 to -15°F | 23 km |
| 05731 | 5a | -20 to -15°F | 23 km |
| 05774 | 5a | -20 to -15°F | 23 km |
| 12836 | 4b | -25 to -20°F | 24 km |
| 05775 | 5a | -20 to -15°F | 27 km |
| 12815 | 4b | -25 to -20°F | 28 km |
| 12808 | 5a | -20 to -15°F | 35 km |
| 12817 | 5a | -20 to -15°F | 35 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 USC00309389, at 43.5575, -73.4011, elevation 36 m (119 ft).
- Data quality: Representative (10+ years), 25 years of freeze data.
- Average days per year at or below 32°F: 143.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Glens Falls Airport (29 km)
- Glens Falls Farm (34 km)
- Conklingville Dam (50 km)
- Saratoga Springs 4 SW (67 km)
- Buskirk (69 km)
- Indian Lake 2sw (74 km)
- Newcomb (80 km)
- Grafton (86 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.