Ice dam risk in Rio Rancho, NM
Ice dams in Rio Rancho, NM: how often
0.7 dam days a winter
Almost never. An ordinary house in Rio Rancho sees 0.7 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
Rio Rancho averages 9 inches of snow a year and about 3 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 Rio Rancho?
- 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.
Rio Rancho winter, month by month
| Month | Snow (in) | Days on ground | Dam days |
|---|---|---|---|
| January | 1.6 | 1.3 | 0.3 |
| February | 2.0 | 0.3 | 0.1 |
| March | 0.6 | 0.2 | 0.0 |
| October | 0.6 | 0.2 | 0.0 |
| November | 0.7 | 0.1 | 0.0 |
| December | 3.8 | 0.9 | 0.2 |
Rio Rancho next to nearby towns
Rio Rancho ranks 8 of 19 New Mexico cities here for ice-dam days, behind Gallup at 6.1 days.
- Albuquerque, NM 13 mi, 0.6 days
- Los Lunas, NM 34 mi, 0.3 days
- Santa Fe, NM 48 mi, 2.2 days
- Española, NM 61 mi, 1.8 days
- Las Vegas, NM 86 mi, 2.8 days
Where these numbers come from
NOAA 1991–2020 climate normals from Rio Rancho #1, 4.5 miles from Rio Rancho. 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.
- Snow-on-the-ground counts come from a second, nearby station, because the closest one does not record them.