Frost dates for Cooperstown, NY
At Cooperstown, the median last spring frost (32°F) is May 7 and the median first fall frost is Oct 7, for a typical growing season of 154 days. For a 90% chance that the last frost has passed, wait until May 26. Nearby ZIP codes are in USDA hardiness zone 5b.
- May 7Last spring frost (median)50% chance of 32°F after this date
- May 26Safer planting date10% chance of 32°F after this date
- Oct 7First fall frost (median)50% chance of 32°F by this date
- 154 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 20 | Jun 3 |
| 32°F | Apr 22 | May 7 | May 26 |
| 28°F | Apr 9 | Apr 25 | May 12 |
| 24°F | Mar 30 | Apr 11 | Apr 27 |
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 16 | Sep 30 | Oct 13 |
| 32°F | Sep 24 | Oct 7 | Oct 24 |
| 28°F | Oct 3 | Oct 21 | Nov 7 |
| 24°F | Oct 14 | Nov 4 | 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 | 112 days | 131 days | 152 days |
| 32°F | 131 days | 154 days | 175 days |
| 28°F | 154 days | 178 days | 200 days |
| 24°F | 181 days | 205 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 |
|---|---|---|---|
| 13326 | 5b | -15 to -10°F | 3 km |
| 13337 | 5b | -15 to -10°F | 8 km |
| 13450 | 5b | -15 to -10°F | 9 km |
| 13348 | 5b | -15 to -10°F | 11 km |
| 13457 | 5b | -15 to -10°F | 11 km |
| 13807 | 5b | -15 to -10°F | 12 km |
| 13488 | 5b | -15 to -10°F | 14 km |
| 12155 | 5b | -15 to -10°F | 16 km |
| 13439 | 5b | -15 to -10°F | 16 km |
| 13315 | 5b | -15 to -10°F | 17 km |
| 13482 | 5b | -15 to -10°F | 20 km |
| 12197 | 5b | -15 to -10°F | 20 km |
| 13342 | 5b | -15 to -10°F | 23 km |
| 13491 | 5b | -15 to -10°F | 26 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 USC00301752, at 42.7167, -74.9267, elevation 383 m (1,257 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 155.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cherry Valley 2 NNE (19 km)
- Emmons (28 km)
- Little Falls City Rsch (38 km)
- Cobleskill 2 ESE (40 km)
- Sherburne (48 km)
- Lansing Manor (48 km)
- E Sidney (49 km)
- Schoharie (51 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.