Will Pipes Freeze in Carson City, NV? 45 nights a Year
Freeze nights in Carson City
In a normal year Carson City, NV gets 45 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 60% of US counties.
Risk level: Severe. The risk season runs October to April, worst in December.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 149 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 45 nights |
| Insulated pipe in unheated space | 10°F | 8 nights |
| Inside the heated house | 0°F | 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 45 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 10/06, last around 05/04. For 20°F: 11/09 to 03/10.
How cold Carson City nights get
Average winter (Dec-Feb) low: 25°F; the coldest month, December, averages 24°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, November, December: 8 nights a year, and 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 24°F | 27°F | 31°F | 35°F | 43°F | 49°F | 54°F | 52°F | 45°F | 36°F | 28°F | 24°F |
Carson City next to its neighbours
Douglas County, NV, 30 km southeast, gets 50 nights below 20°F to Carson City's 45 nights. Storey County, NV, 37 km northeast, gets 27 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Carson City, NV | - | 149 nights | 45 nights | 24°F |
| Douglas County, NV | 30 km southeast | 176 nights | 50 nights | 22°F |
| Storey County, NV | 37 km northeast | 121 nights | 27 nights | 27°F |
| Lyon County, NV | 50 km east | 145 nights | 50 nights | 21°F |
| Alpine County, CA | 59 km south | 189 nights | 58 nights | 22°F |
| El Dorado County, CA | 79 km southwest | 87 nights | 5 nights | 33°F |
| Sierra County, CA | 82 km northwest | 220 nights | 72 nights | 20°F |
Carson City within NV
Carson City ranks 14 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. The fewest is Clark County, NV: none, winter lows near 39°F. At 4,652 ft, Carson City sits 1,089 ft below the state's median county elevation of 5,741 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.
The dates to be done by: when freeze season starts and ends.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Carson City, NV, 4 km away (close 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.