Will Pipes Freeze in Davis County, UT? 39 nights a Year
Freeze nights in Davis County
In a normal year Davis County, UT gets 39 nights at or below 20°F, the point where bare pipes in a garage, attic or outside wall start to freeze. That is more than 54% of US counties.
Risk level: Regular. The risk season runs November to March, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 124 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 39 nights |
| Insulated pipe in unheated space | 10°F | 8 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 39 nights of risk to 8 nights. A 12 ft heat-tape kit runs $17 to $37; an average burst-pipe repair is about $500.
Month by month
Nights at or below 20°F in a normal year.
First 32°F night is usually around 10/19, last around 04/19. For 20°F: 11/23 to 02/28.
How cold Davis County nights get
Average winter (Dec-Feb) low: 23°F; the coldest month, January, averages 21°F overnight. 8 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, November, December: 8 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21°F | 25°F | 33°F | 39°F | 47°F | 56°F | 63°F | 61°F | 52°F | 40°F | 30°F | 23°F |
Davis County next to its neighbours
Weber County, UT, 38 km northeast, gets 86 nights below 20°F to Davis County's 39 nights. Salt Lake County, UT, 47 km southeast, gets 22 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Davis County, UT | - | 124 nights | 39 nights | 21°F |
| Weber County, UT | 38 km northeast | 189 nights | 86 nights | 12°F |
| Salt Lake County, UT | 47 km southeast | 96 nights | 22 nights | 26°F |
| Morgan County, UT | 53 km east | 192 nights | 86 nights | 13°F |
| Cache County, UT | 86 km northeast | 155 nights | 64 nights | 16°F |
| Box Elder County, UT | 97 km northwest | 168 nights | 73 nights | 15°F |
| Tooele County, UT | 100 km southwest | 148 nights | 57 nights | 19°F |
Davis County within UT
Davis County ranks 27 of 29 UT counties for nights below 20°F. The most is Rich County, UT at 138 nights, with a 6°F average winter low. The fewest is Salt Lake County, UT: 22 nights, winter lows near 28°F. At 4,255 ft, Davis County sits 1,552 ft below the state's median county elevation of 5,807 ft.
What to do here
- Insulate every pipe in unheated space before the season starts.
- Heat tape on the runs you cannot insulate well.
- Shut off and drain outdoor spigots for the season.
When to have the house ready: when freeze season starts.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Farmington (3 mi NW), UT, 23 km away (fair match). A normal year, not tonight's forecast: check the forecast low for the night itself. How a county figure is built from stations: how the numbers are made.