Frost dates for Aiken 5SE, SC
At Aiken 5SE, the median last spring frost (32°F) is Mar 21 and the median first fall frost is Nov 7, for a typical growing season of 232 days. For a 90% chance that the last frost has passed, wait until Apr 6. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 21Last spring frost (median)50% chance of 32°F after this date
- Apr 6Safer planting date10% chance of 32°F after this date
- Nov 7First fall frost (median)50% chance of 32°F by this date
- 232 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 8b (15 to 20°F) · see all zone 8b frost dates
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 16 | Apr 1 | Apr 18 |
| 32°F | Mar 2 | Mar 21 | Apr 6 |
| 28°F | Feb 14 | Mar 9 | Mar 28 |
| 24°F | Jan 24 | Feb 23 | Mar 18 |
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 16 | Oct 30 | Nov 10 |
| 32°F | Oct 25 | Nov 7 | Nov 24 |
| 28°F | Nov 3 | Nov 19 | Dec 14 |
| 24°F | Nov 13 | Dec 5 | Jan 5 |
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 | 188 days | 211 days | 234 days |
| 32°F | 208 days | 232 days | 259 days |
| 28°F | 230 days | 256 days | 288 days |
| 24°F | 253 days | 286 days | 323 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 29803 | 8b | 15 to 20°F | 4 km |
| 29809 | 8b | 15 to 20°F | 9 km |
| 29856 | 8b | 15 to 20°F | 17 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 USC00380074, at 33.4925, -81.6958, elevation 150 m (492 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 51.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Aiken 2 E (6 km)
- Graniteville 1.2 NE (13 km)
- Wagener 1SW (34 km)
- Johnston 4 SW (34 km)
- Blackville 3 W (37 km)
- Edgefield 2.2 ENE (38 km)
- Batesburg (48 km)
- Clarks Hill 1 W (50 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