Frost dates for Trenton Falls, NY
At Trenton Falls, the median last spring frost (32°F) is May 4 and the median first fall frost is Oct 13, for a typical growing season of 161 days. For a 90% chance that the last frost has passed, wait until May 23. Nearby ZIP codes are in USDA hardiness zones 4b to 5b.
- May 4Last spring frost (median)50% chance of 32°F after this date
- May 23Safer planting date10% chance of 32°F after this date
- Oct 13First fall frost (median)50% chance of 32°F by this date
- 161 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 17 | May 31 |
| 32°F | Apr 20 | May 4 | May 23 |
| 28°F | Apr 5 | Apr 21 | May 8 |
| 24°F | Mar 29 | Apr 7 | 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 18 | Oct 1 | Oct 15 |
| 32°F | Sep 29 | Oct 13 | Oct 29 |
| 28°F | Oct 10 | Oct 28 | Nov 8 |
| 24°F | Oct 26 | Nov 6 | 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 | 116 days | 136 days | 156 days |
| 32°F | 138 days | 161 days | 183 days |
| 28°F | 164 days | 188 days | 210 days |
| 24°F | 195 days | 212 days | 228 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 |
|---|---|---|---|
| 13435 | 5a | -20 to -15°F | 3 km |
| 13304 | 5a | -20 to -15°F | 4 km |
| 13352 | 5a | -20 to -15°F | 4 km |
| 13438 | 5a | -20 to -15°F | 9 km |
| 13354 | 5a | -20 to -15°F | 10 km |
| 13431 | 5a | -20 to -15°F | 10 km |
| 13502 | 5b | -15 to -10°F | 15 km |
| 13324 | 4b | -25 to -20°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 USC00308578, at 43.2761, -75.1567, elevation 244 m (800 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 152.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rome Griffiss Airfield (21 km)
- Utica Oneida Co Airport (23 km)
- Boonville 4 SSW (25 km)
- Little Falls City Rsch (33 km)
- Highmarket 2w (49 km)
- Old Forge (49 km)
- Camden (56 km)
- Cherry Valley 2 NNE (61 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.