Ice dam risk in Campbellsville, KY
How often ice dams form in Campbellsville
2.5 dam days a winter
Low risk. On an ordinary house in Campbellsville, conditions for an ice dam come on about 2.5 days in a normal winter, mostly in January and February.
Campbellsville averages 15 inches of snow a year and about 12 days with snow on the ground. Most of it comes and goes within a few days. The conditions that make a dam need all three at once: snow, cold at the eave and heat above it.
What your attic does to that number in Campbellsville
| Attic | Dam days | Risk |
|---|---|---|
| Air-sealed and well insulated | 1.8 | Low |
| Typical, some insulation, not air-sealed | 2.5 | Low |
| Older or poorly insulated, warm attic | 3.4 | Low |
The attic matters less in Campbellsville than in colder towns: there are only 0.7 days a winter between a typical attic and a sealed one.
Preventing ice dams on a Campbellsville roof
- Check the gutters before the first snow and clear them, so meltwater has somewhere to go. If you see icicles thicker than a finger along the eave after a storm, that is the early sign to look at the attic.
Snowy places are not always the worst: why snowfall misleads.
Campbellsville winter, month by month
| Month | Snow (in) | Days on ground | Dam days |
|---|---|---|---|
| January | 5.0 | 4.7 | 1.1 |
| February | 5.0 | 3.3 | 0.7 |
| March | 1.6 | 1.0 | 0.1 |
| November | 0.1 | 0.0 | 0.0 |
| December | 2.8 | 2.5 | 0.5 |
Campbellsville next to nearby towns
Campbellsville ranks 9 of 42 Kentucky cities here for ice-dam days, behind Fort Thomas at 6.8 days.
- Bardstown, KY 33 mi, 2.2 days
- Danville, KY 38 mi, 2.1 days
- Elizabethtown, KY 38 mi, 0.3 days
- Glasgow, KY 39 mi, 0.9 days
- Somerset, KY 45 mi, 1.5 days
Where these numbers come from
NOAA 1991–2020 climate normals from Bradfordsville, 15.2 miles from Campbellsville. 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.