Frost dates for Aurora Rsch Farm, NY
At Aurora Rsch Farm, the median last spring frost (32°F) is May 1 and the median first fall frost is Oct 21, for a typical growing season of 172 days. For a 90% chance that the last frost has passed, wait until May 16. Nearby ZIP codes are in USDA hardiness zones 5b to 6b.
- May 1Last spring frost (median)50% chance of 32°F after this date
- May 16Safer planting date10% chance of 32°F after this date
- Oct 21First fall frost (median)50% chance of 32°F by this date
- 172 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 | Apr 27 | May 10 | May 24 |
| 32°F | Apr 17 | May 1 | May 16 |
| 28°F | Apr 6 | Apr 19 | May 3 |
| 24°F | Mar 26 | 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 24 | Oct 7 | Oct 21 |
| 32°F | Oct 4 | Oct 21 | Nov 5 |
| 28°F | Oct 18 | Nov 3 | Nov 18 |
| 24°F | Nov 1 | Nov 15 | Dec 1 |
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 | 132 days | 150 days | 168 days |
| 32°F | 151 days | 172 days | 193 days |
| 28°F | 176 days | 198 days | 220 days |
| 24°F | 203 days | 222 days | 244 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 |
|---|---|---|---|
| 13026 | 6b | -5 to 0°F | 1 km |
| 13081 | 6a | -10 to -5°F | 7 km |
| 13147 | 6a | -10 to -5°F | 9 km |
| 13160 | 6a | -10 to -5°F | 10 km |
| 13071 | 6a | -10 to -5°F | 12 km |
| 14521 | 6b | -5 to 0°F | 14 km |
| 14847 | 6a | -10 to -5°F | 15 km |
| 14541 | 6b | -5 to 0°F | 16 km |
| 13065 | 6b | -5 to 0°F | 16 km |
| 14882 | 6a | -10 to -5°F | 18 km |
| 13118 | 5b | -15 to -10°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 USC00300331, at 42.7339, -76.6592, elevation 253 m (830 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 131.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Auburn (24 km)
- Mecklenburg 4sw (33 km)
- Penn Yan Airport (34 km)
- Geneva Rsch Farm (34 km)
- Freeville 1 NE (36 km)
- Ithaca Cornell Univ (36 km)
- Ithaca 13 E (47 km)
- Tully Heiberg Forest (47 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.