Frost dates for Yorktown Heights 1w, NY
At Yorktown Heights 1w, the median last spring frost (32°F) is Apr 25 and the median first fall frost is Oct 19, for a typical growing season of 174 days. For a 90% chance that the last frost has passed, wait until May 8. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 25Last spring frost (median)50% chance of 32°F after this date
- May 8Safer planting date10% chance of 32°F after this date
- Oct 19First fall frost (median)50% chance of 32°F by this date
- 174 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 25 | May 7 | May 21 |
| 32°F | Apr 13 | Apr 25 | May 8 |
| 28°F | Apr 3 | Apr 13 | Apr 26 |
| 24°F | Mar 22 | Apr 4 | Apr 15 |
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 26 | Oct 7 | Oct 22 |
| 32°F | Oct 4 | Oct 19 | Nov 3 |
| 28°F | Oct 15 | Nov 1 | Nov 14 |
| 24°F | Oct 28 | Nov 12 | Nov 29 |
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 | 133 days | 152 days | 172 days |
| 32°F | 155 days | 174 days | 193 days |
| 28°F | 179 days | 198 days | 215 days |
| 24°F | 202 days | 222 days | 241 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 |
|---|---|---|---|
| 10598 | 7a | 0 to 5°F | 2 km |
| 10501 | 6b | -5 to 0°F | 5 km |
| 10520 | 7a | 0 to 5°F | 7 km |
| 10546 | 7a | 0 to 5°F | 8 km |
| 10562 | 7a | 0 to 5°F | 8 km |
| 10540 | 6b | -5 to 0°F | 9 km |
| 10536 | 7a | 0 to 5°F | 9 km |
| 10549 | 7a | 0 to 5°F | 10 km |
| 10507 | 7a | 0 to 5°F | 10 km |
| 10545 | 7a | 0 to 5°F | 10 km |
| 10514 | 7a | 0 to 5°F | 11 km |
| 10578 | 7a | 0 to 5°F | 11 km |
| 10589 | 6b | -5 to 0°F | 11 km |
| 10526 | 7a | 0 to 5°F | 12 km |
| 10548 | 7a | 0 to 5°F | 12 km |
| 10993 | 7a | 0 to 5°F | 16 km |
| 10927 | 7a | 0 to 5°F | 17 km |
| 10920 | 7a | 0 to 5°F | 17 km |
| 10923 | 7a | 0 to 5°F | 19 km |
| 10984 | 7a | 0 to 5°F | 20 km |
| 10956 | 7a | 0 to 5°F | 21 km |
| 10970 | 7a | 0 to 5°F | 24 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 USC00309670, at 41.2664, -73.7975, elevation 204 m (670 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 116.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Shrub Oak (8 km)
- West Point (19 km)
- Westchester Co Airport (23 km)
- Carmel 4n (26 km)
- Dobbs Ferry-Ardsley (29 km)
- Stormville (30 km)
- Poughkeepsie Dutchess Co Airport (41 km)
- Walden 1 ESE (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.