Frost dates for Franklinville, NY
At Franklinville, the median last spring frost (32°F) is May 14 and the median first fall frost is Oct 6, for a typical growing season of 144 days. For a 90% chance that the last frost has passed, wait until May 30. Nearby ZIP codes are in USDA hardiness zone 5b.
- May 14Last spring frost (median)50% chance of 32°F after this date
- May 30Safer planting date10% chance of 32°F after this date
- Oct 6First fall frost (median)50% chance of 32°F by this date
- 144 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 10 | May 27 | Jun 10 |
| 32°F | Apr 28 | May 14 | May 30 |
| 28°F | Apr 19 | May 2 | May 19 |
| 24°F | Apr 6 | Apr 21 | May 6 |
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 26 | Oct 7 |
| 32°F | Sep 23 | Oct 6 | Oct 20 |
| 28°F | Oct 4 | Oct 19 | Nov 4 |
| 24°F | Oct 16 | Nov 2 | Nov 17 |
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 | 99 days | 120 days | 141 days |
| 32°F | 122 days | 144 days | 165 days |
| 28°F | 147 days | 169 days | 189 days |
| 24°F | 172 days | 194 days | 215 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 |
|---|---|---|---|
| 14737 | 5b | -15 to -10°F | 3 km |
| 14101 | 5b | -15 to -10°F | 9 km |
| 14743 | 5b | -15 to -10°F | 14 km |
| 14042 | 5b | -15 to -10°F | 16 km |
| 14777 | 5b | -15 to -10°F | 17 km |
| 14060 | 5b | -15 to -10°F | 17 km |
| 14171 | 5b | -15 to -10°F | 19 km |
| 14727 | 5b | -15 to -10°F | 19 km |
| 14065 | 5b | -15 to -10°F | 21 km |
| 14173 | 5b | -15 to -10°F | 22 km |
| 14029 | 5b | -15 to -10°F | 23 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 USC00303025, at 42.3294, -78.4636, elevation 485 m (1,590 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 168.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Olean (28 km)
- Salamanca 2 (29 km)
- Little Valley (30 km)
- Allegany State Park (35 km)
- Angelica (36 km)
- Colden 1w (41 km)
- Colden 1 N (41 km)
- Warsaw 6 SW (44 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.