Will Pipes Freeze in Morgan County, UT? 86 nights a Year
Freeze nights in Morgan County
In a normal year Morgan County, UT gets 86 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 85% of US counties.
Risk level: Severe. The risk season runs October to April, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 192 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 86 nights |
| Insulated pipe in unheated space | 10°F | 37 nights |
| Inside the heated house | 0°F | 13 nights |
Foam-sleeving a bare pipe in unheated space takes it from 86 nights of risk to 37 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 09/18, last around 05/30. For 20°F: 10/24 to 04/08.
How cold Morgan County nights get
Average winter (Dec-Feb) low: 15°F; the coldest month, January, averages 13°F overnight. 10 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Jun, Sep, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, November, December: 37 nights a year, and 13 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13°F | 17°F | 25°F | 30°F | 37°F | 44°F | 50°F | 49°F | 40°F | 30°F | 22°F | 14°F |
Morgan County next to its neighbours
Summit County, UT, 57 km southeast, gets 110 nights below 20°F to Morgan County's 86 nights. Davis County, UT, 53 km west, gets 39 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Morgan County, UT | - | 192 nights | 86 nights | 13°F |
| Weber County, UT | 32 km northwest | 189 nights | 86 nights | 12°F |
| Davis County, UT | 53 km west | 124 nights | 39 nights | 21°F |
| Salt Lake County, UT | 55 km southwest | 96 nights | 22 nights | 26°F |
| Summit County, UT | 57 km southeast | 214 nights | 110 nights | 10°F |
| Rich County, UT | 66 km northeast | 239 nights | 138 nights | 4°F |
| Cache County, UT | 73 km north | 155 nights | 64 nights | 16°F |
Morgan County within UT
Morgan County ranks 10 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 6,360 ft, Morgan County sits 553 ft above the state's median county elevation of 5,807 ft.
What to do here
- Treat it as a building fix, not a night-of routine: insulate, heat tape, seal crawlspace vents.
- An automatic leak shutoff pays for itself if one burst is avoided.
- Know where the main shutoff is before the first hard freeze.
Interior pipes have a threshold too: the four freeze points.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Echo Dam, UT, 19 km away (fair match). A normal year, not tonight's forecast: check the forecast low for the night itself. Why elevation is part of the blend: how county numbers are made.