Frost dates for Hilton Head Island, South Carolina
In a typical year, Hilton Head Island’s last spring frost lands around Mar 3 and the first fall frost around Dec 9, a growing season of about 281 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9b.
Right now the growing season is open, with about 45 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Feb 2 | Nov 21 |
| 50 percent | Mar 3 | Dec 9 |
| 90 percent | Mar 20 | Jan 4 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Hilton Head Island is typically around 68°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Hilton Head Island
- Radish (Cherry Belle)
- Spinach (Space)
- Onion (Vidalia)
- Turnip (Purple Top White Globe)
- Tatsoi (Tatsoi)
Timing comes from the same temperature engine the app uses, run against Hilton Head Island’s normals for today.
Common questions
When is the last frost in Hilton Head Island, South Carolina?
Hilton Head Island’s last spring frost falls around March 3 in a typical year. One year in ten it is done by February 2, and one year in ten frost holds on until March 20. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Hilton Head Island?
The first fall frost arrives around December 9 in a typical year, as early as November 21 in an early year and as late as January 4 in a late one.
How long is the growing season in Hilton Head Island?
About 281 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Hilton Head Island in?
Hilton Head Island is in USDA hardiness zone 9b under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Savannah, GA (around Mar 2 to Nov 30)
- Charleston, SC (around Feb 4 to Dec 30)
- Statesboro, GA (around Mar 7 to Nov 21)
- North Charleston, SC (around Mar 7 to Nov 27)
- Mount Pleasant, SC (around Mar 13 to Nov 30)
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