Ice dam risk in Enumclaw, WA
Ice dams in Enumclaw, WA: how often
0.0 dam days a winter
Almost never. An ordinary house in Enumclaw sees 0.0 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
Enumclaw averages 4 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 Enumclaw?
- 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.
Enumclaw winter, month by month
| Month | Snow (in) | Days on ground | Dam days |
|---|---|---|---|
| January | 0.2 | 0.0 | 0.0 |
| February | 1.3 | 0.0 | 0.0 |
| March | 0.2 | 0.0 | 0.0 |
| November | 1.5 | 0.0 | 0.0 |
| December | 1.1 | 0.1 | 0.0 |
Enumclaw next to nearby towns
Enumclaw ranks 90 of 91 Washington cities here for ice-dam days, behind Spokane at 13.0 days.
- Bonney Lake, WA 8 mi, 0.5 days
- Maple Valley, WA 12 mi, 1.3 days
- Sumner, WA 12 mi, 0.5 days
- Covington, WA 12 mi, 0.2 days
- Auburn, WA 13 mi, 0.2 days
Where these numbers come from
NOAA 1991–2020 climate normals from Buckley 1 NE, 2.4 miles from Enumclaw. 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.