Frost dates for Elmira Corning Regional Airport, NY
At Elmira Corning Regional Airport, the median last spring frost (32°F) is May 9 and the median first fall frost is Oct 9, for a typical growing season of 151 days. For a 90% chance that the last frost has passed, wait until May 24. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- May 9Last spring frost (median)50% chance of 32°F after this date
- May 24Safer planting date10% chance of 32°F after this date
- Oct 9First fall frost (median)50% chance of 32°F by this date
- 151 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 3 | May 22 | Jun 4 |
| 32°F | Apr 26 | May 9 | May 24 |
| 28°F | Apr 15 | Apr 29 | May 15 |
| 24°F | Mar 31 | Apr 16 | May 2 |
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 15 | Sep 29 | Oct 9 |
| 32°F | Sep 28 | Oct 9 | Oct 24 |
| 28°F | Oct 7 | Oct 23 | Nov 5 |
| 24°F | Oct 20 | Nov 3 | Nov 16 |
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 | 109 days | 128 days | 148 days |
| 32°F | 130 days | 151 days | 171 days |
| 28°F | 153 days | 174 days | 194 days |
| 24°F | 177 days | 200 days | 220 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 |
|---|---|---|---|
| 14814 | 6a | -10 to -5°F | 6 km |
| 14845 | 6a | -10 to -5°F | 7 km |
| 14872 | 6a | -10 to -5°F | 9 km |
| 14816 | 5b | -15 to -10°F | 14 km |
| 14864 | 6a | -10 to -5°F | 15 km |
| 14812 | 6a | -10 to -5°F | 18 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 USW00014748, at 42.1594, -76.8919, elevation 291 m (955 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 153.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Elmira (8 km)
- Corning (15 km)
- Addison (29 km)
- Mecklenburg 4sw (33 km)
- Waverly (35 km)
- Spencer 1 NE (36 km)
- Bath (43 km)
- Ithaca Cornell Univ (49 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.