Sprinkler Winterization in South Carolina
In South Carolina, local sprinklers deadlines run from Nov 1 to Dec 29, with a median around Nov 22 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.
Notable cities
- Spartanburg — earliest deadline in the state
- Charleston — latest deadline in the state
- Columbia — near the state median
All South Carolina cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| Spartanburg | Nov 1 | Nov 11 | View → | Checklist |
| Rock Hill | Nov 8 | Nov 18 | View → | Checklist |
| Sumter | Nov 11 | Nov 21 | View → | Checklist |
| Greenville | Nov 12 | Nov 22 | View → | Checklist |
| Florence | Nov 17 | Nov 27 | View → | Checklist |
| Summerville | Nov 19 | Nov 29 | View → | Checklist |
| Columbia | Nov 22 | Dec 2 | View → | Checklist |
| North Charleston | Dec 5 | Dec 15 | View → | Checklist |
| Goose Creek | Dec 5 | Dec 15 | View → | Checklist |
| Mount Pleasant | Dec 6 | Dec 16 | View → | Checklist |
| Hilton Head Island | Dec 18 | Dec 28 | View → | Checklist |
| Charleston | Dec 29 | Jan 8 | View → | Checklist |
Local sprinkler winterization deadlines for South Carolina cities — built from each city’s own NOAA station, not one statewide date.
Sprinkler Winterization in South Carolina: related searches
South Carolina homeowners search for: sprinkler blowout cost, irrigation winterization, and "sprinkler winterization near me" — every city page below answers those with local NOAA dates.
Back to the national Sprinkler Winterization guide, or see the methodology. You can also compare how the sprinkler winterization window shifts in Rhode Island and South Dakota.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.