Frost dates for Spartanburg 3 SSE, SC
At Spartanburg 3 SSE, the median last spring frost (32°F) is Apr 8 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 8a.
- Apr 8Last 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 5 | Apr 21 | May 7 |
| 32°F | Mar 20 | Apr 8 | Apr 23 |
| 28°F | Mar 3 | Mar 24 | Apr 10 |
| 24°F | Feb 15 | Mar 9 | Mar 28 |
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 10 | Oct 22 | Nov 3 |
| 32°F | Oct 17 | Nov 1 | Nov 14 |
| 28°F | Oct 29 | Nov 11 | Dec 1 |
| 24°F | Nov 8 | Nov 27 | Dec 19 |
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 | 163 days | 183 days | 203 days |
| 32°F | 186 days | 206 days | 229 days |
| 28°F | 211 days | 233 days | 259 days |
| 24°F | 236 days | 263 days | 295 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 |
|---|---|---|---|
| 29306 | 8a | 10 to 15°F | 2 km |
| 29302 | 8a | 10 to 15°F | 7 km |
| 29333 | 8a | 10 to 15°F | 7 km |
| 29378 | 8a | 10 to 15°F | 8 km |
| 29320 | 8a | 10 to 15°F | 9 km |
| 29301 | 8a | 10 to 15°F | 10 km |
| 29369 | 8a | 10 to 15°F | 11 km |
| 29303 | 8a | 10 to 15°F | 11 km |
| 29376 | 8a | 10 to 15°F | 11 km |
| 29307 | 8a | 10 to 15°F | 11 km |
| 29329 | 8a | 10 to 15°F | 12 km |
| 29324 | 8a | 10 to 15°F | 12 km |
| 29374 | 8a | 10 to 15°F | 15 km |
| 29373 | 8a | 10 to 15°F | 16 km |
| 29372 | 8a | 10 to 15°F | 18 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 USC00388188, at 34.9078, -81.9139, elevation 186 m (610 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 76.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Chesnee 7 WSW (23 km)
- Greer (28 km)
- Fountain Inn 2 SW (39 km)
- Greenville Dwtn Airport (40 km)
- Union 8 S (41 km)
- Ninety Nine Island (41 km)
- Greenville (42 km)
- Laurens (47 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