Frost dates for Jamestown 4 ENE, NY
At Jamestown 4 ENE, the median last spring frost (32°F) is May 8 and the median first fall frost is Oct 13, for a typical growing season of 158 days. For a 90% chance that the last frost has passed, wait until May 25. Nearby ZIP codes are in USDA hardiness zone 6a.
- May 8Last spring frost (median)50% chance of 32°F after this date
- May 25Safer planting date10% chance of 32°F after this date
- Oct 13First fall frost (median)50% chance of 32°F by this date
- 158 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 4 | May 20 | Jun 2 |
| 32°F | Apr 22 | May 8 | May 25 |
| 28°F | Apr 9 | Apr 25 | May 13 |
| 24°F | Mar 27 | Apr 9 | 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 19 | Oct 1 | Oct 14 |
| 32°F | Oct 1 | Oct 13 | Oct 30 |
| 28°F | Oct 10 | Oct 28 | Nov 12 |
| 24°F | Oct 26 | Nov 9 | Nov 27 |
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 | 114 days | 135 days | 154 days |
| 32°F | 136 days | 158 days | 179 days |
| 28°F | 160 days | 184 days | 208 days |
| 24°F | 190 days | 212 days | 236 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 |
|---|---|---|---|
| 14733 | 6a | -10 to -5°F | 6 km |
| 14747 | 6a | -10 to -5°F | 7 km |
| 14701 | 6a | -10 to -5°F | 9 km |
| 14720 | 6a | -10 to -5°F | 10 km |
| 14738 | 6a | -10 to -5°F | 11 km |
| 14742 | 6a | -10 to -5°F | 12 km |
| 14740 | 6a | -10 to -5°F | 13 km |
| 14732 | 6a | -10 to -5°F | 13 km |
| 14750 | 6a | -10 to -5°F | 14 km |
| 14712 | 6a | -10 to -5°F | 19 km |
| 14782 | 6a | -10 to -5°F | 19 km |
| 14785 | 6a | -10 to -5°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 USC00304207, at 42.1100, -79.1592, elevation 381 m (1,250 ft).
- Data quality: Standard (24+ years of data), 27 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
- Little Valley (32 km)
- Allegany State Park (34 km)
- Salamanca 2 (36 km)
- Portland1 SW (40 km)
- Fredonia (40 km)
- Westfield 2 SSE (41 km)
- Perrysburg (41 km)
- Dunkirk (43 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.