Frost dates for Syracuse Hancock Intl Airport, NY
At Syracuse Hancock Intl Airport, the median last spring frost (32°F) is Apr 29 and the median first fall frost is Oct 19, for a typical growing season of 173 days. For a 90% chance that the last frost has passed, wait until May 13. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- Apr 29Last spring frost (median)50% chance of 32°F after this date
- May 13Safer planting date10% chance of 32°F after this date
- Oct 19First fall frost (median)50% chance of 32°F by this date
- 173 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 26 | May 8 | May 23 |
| 32°F | Apr 16 | Apr 29 | May 13 |
| 28°F | Apr 4 | Apr 16 | Apr 30 |
| 24°F | Mar 23 | Apr 4 | Apr 17 |
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 5 | Oct 21 |
| 32°F | Oct 2 | Oct 19 | Nov 4 |
| 28°F | Oct 16 | Nov 2 | Nov 16 |
| 24°F | Nov 1 | Nov 14 | Nov 30 |
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 | 131 days | 149 days | 168 days |
| 32°F | 152 days | 173 days | 193 days |
| 28°F | 178 days | 200 days | 218 days |
| 24°F | 205 days | 223 days | 242 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 |
|---|---|---|---|
| 13211 | 6a | -10 to -5°F | 2 km |
| 13212 | 6a | -10 to -5°F | 3 km |
| 13206 | 6a | -10 to -5°F | 4 km |
| 13208 | 6a | -10 to -5°F | 5 km |
| 13057 | 6a | -10 to -5°F | 5 km |
| 13203 | 6a | -10 to -5°F | 6 km |
| 13088 | 6a | -10 to -5°F | 7 km |
| 13290 | 6a | -10 to -5°F | 7 km |
| 13039 | 5b | -15 to -10°F | 8 km |
| 13224 | 6a | -10 to -5°F | 8 km |
| 13214 | 6a | -10 to -5°F | 8 km |
| 13202 | 6a | -10 to -5°F | 8 km |
| 13116 | 6a | -10 to -5°F | 9 km |
| 13204 | 6a | -10 to -5°F | 9 km |
| 13210 | 6a | -10 to -5°F | 9 km |
| 13244 | 6a | -10 to -5°F | 10 km |
| 13209 | 6a | -10 to -5°F | 11 km |
| 13082 | 5b | -15 to -10°F | 12 km |
| 13207 | 6a | -10 to -5°F | 12 km |
| 13066 | 6a | -10 to -5°F | 12 km |
| 13205 | 6a | -10 to -5°F | 12 km |
| 13030 | 5b | -15 to -10°F | 13 km |
| 13219 | 6a | -10 to -5°F | 13 km |
| 13164 | 6a | -10 to -5°F | 17 km |
| 13078 | 5b | -15 to -10°F | 17 km |
| 13215 | 6a | -10 to -5°F | 17 km |
| 13031 | 6a | -10 to -5°F | 18 km |
| 13120 | 6a | -10 to -5°F | 19 km |
| 13104 | 5b | -15 to -10°F | 21 km |
| 13037 | 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 USW00014771, at 43.1111, -76.1039, elevation 126 m (413 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 132.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Brewerton Lock 23 (16 km)
- Fulton (32 km)
- Camden (32 km)
- Fulton Oswego Co Airport (35 km)
- Tully Heiberg Forest (39 km)
- Auburn (41 km)
- Morrisville 6 SW (43 km)
- Pulaski (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.