Will Pipes Freeze in Mohave County, AZ? 30 nights a Year
Freeze nights in Mohave County
In a normal year Mohave County, AZ gets 30 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 46% of US counties.
Risk level: Regular. The risk season runs November to April, worst in December.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 138 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 30 nights |
| Insulated pipe in unheated space | 10°F | 4 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 30 nights of risk to 4 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 10/10, last around 05/17. For 20°F: 11/19 to 03/15.
How cold Mohave County nights get
Average winter (Dec-Feb) low: 25°F; the coldest month, December, averages 24°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, December: 4 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 25°F | 26°F | 30°F | 35°F | 43°F | 50°F | 59°F | 58°F | 51°F | 39°F | 30°F | 24°F |
Mohave County next to its neighbours
Washington County, UT, 173 km north, gets 41 nights below 20°F to Mohave County's 30 nights. Clark County, NV, 126 km northwest, gets none.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Mohave County, AZ | - | 138 nights | 30 nights | 25°F |
| Clark County, NV | 126 km northwest | 16 nights | none | 39°F |
| Yavapai County, AZ | 161 km southeast | 123 nights | 25 nights | 25°F |
| Washington County, UT | 173 km north | 140 nights | 41 nights | 23°F |
| Coconino County, AZ | 179 km east | 183 nights | 67 nights | 20°F |
| La Paz County, AZ | 223 km south | 14 nights | under 1 night | 41°F |
| Lincoln County, NV | 235 km northwest | 153 nights | 54 nights | 21°F |
Mohave County within AZ
Mohave County ranks 5 of 15 AZ counties for nights below 20°F. The most is Coconino County, AZ at 67 nights, with a 20°F average winter low. The fewest is Maricopa County, AZ: none, winter lows near 43°F. At 5,117 ft, Mohave County sits 1,046 ft above the state's median county elevation of 4,072 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.
Why 20°F is the line for a garage pipe: how cold before pipes freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Diamond M Rch, AZ, 58 km away (distant match). A normal year, not tonight's forecast: check the forecast low for the night itself. What a "fair" or "distant" station match means is in the method guide.