Ice dam risk in Morro Bay, CA
Will your roof get ice dams in Morro Bay, CA?
0.0 dam days a winter
Almost never. An ordinary house in Morro Bay sees 0.0 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
Morro Bay 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 Morro Bay?
- 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.
Morro Bay winter, month by month
| Month | Snow (in) | Days on ground | Dam days |
|---|---|---|---|
| January | 0.1 | 0.0 | 0.0 |
Morro Bay next to nearby towns
Morro Bay ranks 370 of 376 California cities here for ice-dam days, behind Truckee at 36.3 days.
- Atascadero, CA 13 mi, 0.0 days
- San Luis Obispo, CA 13 mi, 0.0 days
- El Paso de Robles (Paso Robles), CA 22 mi, 0.0 days
- Grover Beach, CA 22 mi, 0.0 days
- Arroyo Grande, CA 23 mi, 0.0 days
Where these numbers come from
NOAA 1991–2020 climate normals from Morro Bay Fire Dept, 1.3 miles from Morro Bay. 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.