Ice dam risk in San Fernando, CA
How often ice dams form in San Fernando
0.0 dam days a winter
Almost never. An ordinary house in San Fernando sees 0.0 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
San Fernando 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 San Fernando?
- 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.
San Fernando next to nearby towns
San Fernando ranks 286 of 376 California cities here for ice-dam days, behind Truckee at 36.3 days.
- Burbank, CA 9 mi, 0.0 days
- Santa Clarita, CA 10 mi, 0.0 days
- Glendale, CA 13 mi, 0.0 days
- West Hollywood, CA 14 mi, 0.0 days
- La Cañada Flintridge, CA 15 mi, 0.0 days
Where these numbers come from
NOAA 1991–2020 climate normals from Northridge Cal State, 5.9 miles from San Fernando. 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.