Frost dates for Bryson City 4, NC
At Bryson City 4, the median last spring frost (32°F) is Apr 16 and the median first fall frost is Oct 24, for a typical growing season of 189 days. For a 90% chance that the last frost has passed, wait until May 2. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 16Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 24First fall frost (median)50% chance of 32°F by this date
- 189 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 15 | Apr 30 | May 15 |
| 32°F | Apr 1 | Apr 16 | May 2 |
| 28°F | Mar 17 | Apr 3 | Apr 19 |
| 24°F | Feb 28 | Mar 20 | Apr 6 |
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 | Oct 5 | Oct 16 | Oct 28 |
| 32°F | Oct 11 | Oct 24 | Nov 6 |
| 28°F | Oct 19 | Nov 2 | Nov 17 |
| 24°F | Oct 31 | Nov 15 | Dec 4 |
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 | 150 days | 169 days | 188 days |
| 32°F | 170 days | 189 days | 210 days |
| 28°F | 192 days | 214 days | 237 days |
| 24°F | 217 days | 241 days | 271 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 |
|---|---|---|---|
| 28719 | 7a | 0 to 5°F | 9 km |
| 28713 | 7b | 5 to 10°F | 10 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 USC00311165, at 35.4467, -83.4622, elevation 605 m (1,985 ft).
- Data quality: Estimated from nearby stations (2+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 96.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cherokee (14 km)
- Robbinsville Ag 5 NE (23 km)
- Cullowhee (30 km)
- Franklin (30 km)
- Cataloochee (39 km)
- Coweeta Exp. Station (43 km)
- Tapoco (43 km)
- Andrews (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.
All North Carolina stations · How frost dates are calculated