Frost dates for Graniteville 1.2 NE, SC
At Graniteville 1.2 NE, the median last spring frost (32°F) is Apr 9 and the median first fall frost is Nov 1, for a typical growing season of 206 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zone 8b.
- Apr 9Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Nov 1First fall frost (median)50% chance of 32°F by this date
- 206 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 6 | Apr 20 | May 2 |
| 32°F | Mar 22 | Apr 9 | Apr 23 |
| 28°F | Mar 4 | Mar 28 | Apr 13 |
| 24°F | Feb 10 | Mar 11 | Apr 1 |
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 12 | Oct 24 | Nov 4 |
| 32°F | Oct 20 | Nov 1 | Nov 12 |
| 28°F | Oct 30 | Nov 9 | Nov 28 |
| 24°F | Nov 5 | Nov 21 | Dec 17 |
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 | 172 days | 188 days | 205 days |
| 32°F | 188 days | 206 days | 227 days |
| 28°F | 207 days | 229 days | 255 days |
| 24°F | 231 days | 259 days | 292 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 |
|---|---|---|---|
| 29829 | 8b | 15 to 20°F | 6 km |
| 29828 | 8b | 15 to 20°F | 7 km |
| 29851 | 8b | 15 to 20°F | 8 km |
| 29834 | 8b | 15 to 20°F | 8 km |
| 29816 | 8b | 15 to 20°F | 11 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 USC00383665, at 33.5756, -81.7897, elevation 91 m (298 ft).
- Data quality: Estimated from nearby stations (2+ years), 2 years of freeze data.
- Average days per year at or below 32°F: 75.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Aiken 2 E (9 km)
- Aiken 5se (13 km)
- Johnston 4 SW (23 km)
- Edgefield 2.2 ENE (26 km)
- Clarks Hill 1 W (38 km)
- Wagener 1sw (39 km)
- Batesburg (43 km)
- Saluda (46 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 South Carolina stations · How frost dates are calculated