Frost dates for Addison, NY
At Addison, the median last spring frost (32°F) is May 14 and the median first fall frost is Oct 5, for a typical growing season of 144 days. For a 90% chance that the last frost has passed, wait until May 28. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- May 14Last spring frost (median)50% chance of 32°F after this date
- May 28Safer planting date10% chance of 32°F after this date
- Oct 5First 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 25 | Jun 7 |
| 32°F | Apr 28 | May 14 | May 28 |
| 28°F | Apr 20 | May 3 | May 18 |
| 24°F | Apr 4 | Apr 21 | May 5 |
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 25 | Oct 7 |
| 32°F | Sep 23 | Oct 5 | Oct 21 |
| 28°F | Oct 3 | Oct 19 | Nov 4 |
| 24°F | Oct 14 | Nov 1 | Nov 13 |
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 | 103 days | 121 days | 141 days |
| 32°F | 123 days | 144 days | 165 days |
| 28°F | 148 days | 167 days | 188 days |
| 24°F | 172 days | 192 days | 212 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 |
|---|---|---|---|
| 14801 | 5b | -15 to -10°F | 5 km |
| 14820 | 5b | -15 to -10°F | 15 km |
| 14821 | 5b | -15 to -10°F | 16 km |
| 14898 | 5b | -15 to -10°F | 17 km |
| 14855 | 5b | -15 to -10°F | 22 km |
| 14885 | 6a | -10 to -5°F | 28 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 USC00300023, at 42.1014, -77.2344, elevation 304 m (999 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 165.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Corning (14 km)
- Elmira Corning Regional Airport (29 km)
- Bath (29 km)
- Elmira (33 km)
- Hornell Almond Dam (47 km)
- Alfred (48 km)
- Mecklenburg 4sw (54 km)
- Wellsville (59 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.