FrostList

Winter Prep Checklist for Hilton Head Island, SC

Here's the order to prep Hilton Head Island, SC for winter, set by local freeze data. Your first deadline is November 21 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Your winter prep order for Hilton Head Island

  1. NovemberNovember 21 — Prevent Frozen PipesSee details →
  2. DecemberDecember 9 — Store Your MotorcycleSee details →
  3. DecemberDecember 18 — Winterize SprinklersSee details →
  4. DecemberDecember 18 — Winterize Your RVSee details →
  5. DecemberDecember 21 — Winterize Your BoatSee details →
  6. DecemberDecember 28 — Test Your Car BatterySee details →
  7. MarchMarch 3 — Test Your Sump PumpSee details →

Dates are local deadlines derived from NOAA 1991–2020 freeze and snowfall normals for Hilton Head Island. Live outlooks on each linked page can move the urgency earlier.

How the order is set

Each task is pinned to Hilton Head Island's own NOAA 1991–2020 freeze and snowfall normals, then ordered by its local deadline. Sprinklers, RVs, and boats key off the first 28°F freeze; pipes and motorcycles off the first freezing night; snow blowers and roofs off the first plowable snow. Follow any link for the live outlook and a checklist.

Data: NOAA 1991–2020 normals via Beaufort Wwtp, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.