Frost dates for Clinton, SC
At Clinton, the median last spring frost (32°F) is Mar 29 and the median first fall frost is Nov 4, for a typical growing season of 219 days. For a 90% chance that the last frost has passed, wait until Apr 13. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 29Last spring frost (median)50% chance of 32°F after this date
- Apr 13Safer planting date10% chance of 32°F after this date
- Nov 4First fall frost (median)50% chance of 32°F by this date
- 219 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 27 | Apr 9 | Apr 23 |
| 32°F | Mar 14 | Mar 29 | Apr 13 |
| 28°F | Feb 27 | Mar 18 | Apr 2 |
| 24°F | Feb 7 | Mar 6 | Mar 24 |
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 14 | Oct 26 | Nov 8 |
| 32°F | Oct 21 | Nov 4 | Nov 20 |
| 28°F | Nov 1 | Nov 17 | Dec 5 |
| 24°F | Nov 13 | Dec 1 | Dec 31 |
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 | 181 days | 200 days | 218 days |
| 32°F | 199 days | 219 days | 243 days |
| 28°F | 221 days | 244 days | 271 days |
| 24°F | 244 days | 273 days | 307 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 |
|---|---|---|---|
| 29325 | 8a | 10 to 15°F | 4 km |
| 29351 | 8a | 10 to 15°F | 9 km |
| 29370 | 8a | 10 to 15°F | 14 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 USC00381814, at 34.4714, -81.8847, elevation 200 m (655 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 59.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Laurens (13 km)
- Union 8 S (25 km)
- Greenwood 8ne (28 km)
- Newberry (31 km)
- Lake Greenwood (34 km)
- Greenwood Co Airport (35 km)
- Santuck (38 km)
- Fountain Inn 2 SW (39 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