Frost dates for Greenwood Co Airport, SC
At Greenwood Co Airport, the median last spring frost (32°F) is Apr 1 and the median first fall frost is Nov 2, for a typical growing season of 216 days. For a 90% chance that the last frost has passed, wait until Apr 18. Nearby ZIP codes are in USDA hardiness zone 8a.
- Apr 1Last spring frost (median)50% chance of 32°F after this date
- Apr 18Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 216 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 | Mar 28 | Apr 13 | Apr 27 |
| 32°F | Mar 14 | Apr 1 | Apr 18 |
| 28°F | Feb 25 | Mar 19 | Apr 6 |
| 24°F | Feb 3 | Mar 1 | Mar 26 |
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 5 |
| 32°F | Oct 20 | Nov 2 | Nov 17 |
| 28°F | Oct 31 | Nov 13 | Dec 3 |
| 24°F | Nov 11 | Dec 1 | Dec 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 | 174 days | 196 days | 218 days |
| 32°F | 195 days | 216 days | 241 days |
| 28°F | 217 days | 242 days | 271 days |
| 24°F | 244 days | 273 days | 308 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 |
|---|---|---|---|
| 29649 | 8a | 10 to 15°F | 2 km |
| 29653 | 8a | 10 to 15°F | 9 km |
| 29692 | 8a | 10 to 15°F | 19 km |
| 29638 | 8a | 10 to 15°F | 21 km |
| 29639 | 8a | 10 to 15°F | 26 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 USW00053874, at 34.2486, -82.1592, elevation 192 m (631 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 58.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Greenwood (6 km)
- Greenwood 8ne (11 km)
- Lake Greenwood (25 km)
- Laurens (31 km)
- Clinton (35 km)
- McCormick (39 km)
- Calhoun Falls (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