Frost dates for Boonville 4 SSW, NY
At Boonville 4 SSW, the median last spring frost (32°F) is May 10 and the median first fall frost is Oct 4, for a typical growing season of 145 days. For a 90% chance that the last frost has passed, wait until May 28. 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 28Safer planting date10% chance of 32°F after this date
- Oct 4First fall frost (median)50% chance of 32°F by this date
- 145 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 8 |
| 32°F | Apr 28 | May 10 | May 28 |
| 28°F | Apr 17 | Apr 30 | May 16 |
| 24°F | Apr 6 | Apr 20 | May 4 |
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 12 | Sep 25 | Oct 6 |
| 32°F | Sep 22 | Oct 4 | Oct 18 |
| 28°F | Oct 1 | Oct 15 | Oct 31 |
| 24°F | Oct 10 | Oct 28 | Nov 10 |
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 | 103 days | 123 days | 143 days |
| 32°F | 126 days | 145 days | 165 days |
| 28°F | 148 days | 167 days | 187 days |
| 24°F | 168 days | 187 days | 209 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 |
|---|---|---|---|
| 13309 | 5a | -20 to -15°F | 5 km |
| 13486 | 5a | -20 to -15°F | 9 km |
| 13303 | 5a | -20 to -15°F | 11 km |
| 13301 | 5a | -20 to -15°F | 13 km |
| 13489 | 4b | -25 to -20°F | 13 km |
| 13433 | 4b | -25 to -20°F | 20 km |
| 13494 | 4b | -25 to -20°F | 21 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 USC00300785, at 43.4361, -75.3697, elevation 472 m (1,550 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 170.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rome Griffiss Airfield (23 km)
- Highmarket 2w (24 km)
- Trenton Falls (25 km)
- Utica Oneida Co Airport (32 km)
- Camden (40 km)
- Lowville (41 km)
- Old Forge (43 km)
- Big Moose 3 SE (57 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.