Ice dam risk in North Charleston, SC
Will your roof get ice dams in North Charleston, SC?
0.0 dam days a winter
Almost never. An ordinary house in North Charleston sees 0.0 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
North Charleston 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 North Charleston?
- 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.
North Charleston winter, month by month
| Month | Snow (in) | Days on ground | Dam days |
|---|---|---|---|
| January | 0.2 | 0.2 | 0.0 |
| February | 0.1 | 0.0 | 0.0 |
North Charleston next to nearby towns
North Charleston ranks 18 of 42 South Carolina cities here for ice-dam days, behind Greenville at 0.3 days.
- Hanahan, SC 4 mi, 0.0 days
- Goose Creek, SC 6 mi, 0.0 days
- Charleston, SC 8 mi, 0.0 days
- Summerville, SC 9 mi, 0.0 days
- Mount Pleasant, SC 14 mi, 0.0 days
Where these numbers come from
NOAA 1991–2020 climate normals from Charleston International Airport, 1.9 miles from North Charleston. 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.