Frost Line Depth in Georgetown County, South Carolina
- South Carolina range from verified codes
- Checked Oct 2026
No official local value
No official frost line depth is published for Georgetown County.
No verified code nearby; verified South Carolina codes range 0–12 in.
Source and how we checked
We searched this place’s own code and website and found no published frost line depth.
Climate: 34 nights a year at or below 32 °F (NOAA 1991–2020, Georgetown Co Airport, 7.1 mi).
Checked Oct 2026. Report a correction
Does Georgetown County have an official frost line depth?
No adopted frost line depth found for Georgetown County in its official documents (checked Oct 2026). No verified code lies near Georgetown County; the South Carolina codes we verified range from 0 to 12 in. Ask the building department for Georgetown County’s own number before you dig.
What frost line depth does Georgetown County use for footings under Table R301.2(1)?
How deep do footings, decks and water lines need to be in Georgetown County?
Drawn with the deepest South Carolina official value (12 in). Confirm Georgetown County’s own depth before you dig.
House or garage footing in Georgetown County: dig at least 12 in (30 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 12 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 12 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 18 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 12 in | No code rule; common practice is below the frost line |
Work out posts, concrete and footing sizes with the fence post depth calculator or the deck footing calculator.
How cold does it get in Georgetown County?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Georgetown County never averages a low below freezing. 34 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 37 °F.
NOAA 1991–2020 climate normals, Georgetown Co Airport station, 7.1 mi away, elevation 30 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 37 | 38.8 | 44 | 52.7 | 61.1 | 68.7 | 72.5 | 72.1 | 67.2 | 55.7 | 44.8 | 39.8 |
| High | 58.6 | 61.5 | 67.5 | 76.2 | 82.4 | 88 | 91.1 | 90 | 85.7 | 77.6 | 68.1 | 60.4 |
Georgetown County has fewer freezing nights than 11 of the 13 other South Carolina places we track. The South Carolina median is 53. Coldest: Laurens County; mildest: Beaufort County.
How likely is the soil in Georgetown County to heave?
USDA rates the sampled soil around Georgetown County as 100% none for frost action (main soils: Yemassee, Yauhannah, Bladen).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
Georgetown County at a glance
- Frost line depth
- No official local value
- Population (2023 est.)
- 65,731
- Mean annual temperature
- 65.1 °F
- ZIP codes (5)
- 29440 · 29510 · 29554 · 29576 · 29585