IceDamCheck

Ice dam risk in Hilton Head Island, SC

Will your roof get ice dams in Hilton Head Island, SC?

0.0 dam days a winter

Almost never. An ordinary house in Hilton Head Island sees 0.0 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.

Hilton Head Island averages 0 inches of snow a year and about 0 days with snow on the ground. Too little lies on the roof for long. The conditions that make a dam need all three at once: snow, cold at the eave and heat above it.

Do you need to do anything in Hilton Head Island?

  1. Nothing for ice dams. If you are buying here and an inspector mentions water at the eaves, ask what they saw: it is far more likely a gutter, flashing or drip-edge problem than ice.

Snowy places are not always the worst: why snowfall misleads.

Hilton Head Island next to nearby towns

Hilton Head Island ranks 25 of 42 South Carolina cities here for ice-dam days, behind Greenville at 0.3 days.

Where these numbers come from

NOAA 1991–2020 climate normals from Beaufort Mcas, 20.3 miles from Hilton Head Island. A dam day is a day with snow on the roof and freezing at the eave while heat or sun melts the snow above it. This describes a normal winter, not this one.