Will Pipes Freeze in Clark County, NV? No Normal Risk Nights
Freeze nights in Clark County
A normal winter in Clark County, NV never drops to 20°F, the point where bare pipes in unheated space start to freeze.
Risk level: No normal risk nights.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 16 nights |
| Bare pipe in garage, attic or outside wall | 20°F | none |
| Insulated pipe in unheated space | 10°F | none |
| Inside the heated house | 0°F | none |
Month by month
Nights at or below 20°F in a normal year.
First 32°F night is usually around 12/08, last around 02/01.
How cold Clark County nights get
Average winter (Dec-Feb) low: 39°F; the coldest month, December, averages 38°F overnight. 4 months normally bring at least one night below 32°F (Jan, Feb, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 39°F | 42°F | 49°F | 55°F | 64°F | 73°F | 80°F | 78°F | 70°F | 58°F | 45°F | 38°F |
Clark County next to its neighbours
Mohave County, AZ, 126 km southeast, gets 30 nights below 20°F to Clark County's none.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Clark County, NV | - | 16 nights | none | 39°F |
| Mohave County, AZ | 126 km southeast | 138 nights | 30 nights | 25°F |
| Lincoln County, NV | 159 km north | 153 nights | 54 nights | 21°F |
| Washington County, UT | 179 km northeast | 140 nights | 41 nights | 23°F |
| San Bernardino County, CA | 184 km southwest | 28 nights | under 1 night | 36°F |
| Inyo County, CA | 217 km west | 82 nights | 8 nights | 28°F |
| Nye County, NV | 233 km northwest | 153 nights | 55 nights | 20°F |
Clark County within NV
Clark County ranks 17 of 17 NV counties for nights below 20°F. The most is Elko County, NV at 108 nights, with a 13°F average winter low. At 1,942 ft, Clark County sits 3,799 ft below the state's median county elevation of 5,741 ft.
What to do here
- Disconnect hoses in a cold snap; no routine prep needed.
Even here, a once-a-decade freeze catches houses built without insulation: why pipes burst in warm places.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is N Las Vegas, NV, 9 km away (close 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.