Ice dam risk in Oro Valley, AZ
How often ice dams form in Oro Valley
0.0 dam days a winter
Almost never. An ordinary house in Oro Valley sees 0.0 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
Oro Valley 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 Oro Valley?
- 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.
Oro Valley next to nearby towns
Oro Valley ranks 26 of 44 Arizona cities here for ice-dam days, behind Flagstaff at 16.2 days.
- Marana, AZ 10 mi, 0.0 days
- Tucson, AZ 20 mi, 0.0 days
- Sahuarita, AZ 34 mi, 0.0 days
- Eloy, AZ 42 mi, 0.0 days
- Coolidge, AZ 48 mi, 0.0 days
Where these numbers come from
NOAA 1991–2020 climate normals from Tucson Camp Ave Exp, 9.8 miles from Oro Valley. 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.