Will Pipes Freeze in Buncombe County, NC? 16 nights a Year
Freeze nights in Buncombe County
In a normal year Buncombe County, NC gets 16 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 33% 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 | 82 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 16 nights |
| Insulated pipe in unheated space | 10°F | 3 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 16 nights of risk to 3 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 10/31, last around 04/06. For 20°F: 12/07 to 02/27.
How cold Buncombe County nights get
Average winter (Dec-Feb) low: 30°F; the coldest month, January, averages 28°F overnight. 7 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February: 3 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28°F | 31°F | 37°F | 45°F | 53°F | 61°F | 64°F | 63°F | 57°F | 46°F | 36°F | 31°F |
Buncombe County next to its neighbours
Madison County, NC, 33 km northwest, gets 34 nights below 20°F to Buncombe County's 16 nights. Henderson County, NC, 31 km south, gets 15 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Buncombe County, NC | - | 82 nights | 16 nights | 28°F |
| Henderson County, NC | 31 km south | 88 nights | 15 nights | 27°F |
| Madison County, NC | 33 km northwest | 112 nights | 34 nights | 25°F |
| Yancey County, NC | 37 km northeast | 105 nights | 27 nights | 25°F |
| Haywood County, NC | 41 km west | 123 nights | 38 nights | 24°F |
| McDowell County, NC | 44 km east | 103 nights | 27 nights | 27°F |
| Polk County, NC | 49 km southeast | 77 nights | 12 nights | 29°F |
Buncombe County within NC
Buncombe County ranks 31 of 100 NC counties for nights below 20°F. The most is Swain County, NC at 49 nights, with a 24°F average winter low. The fewest is Carteret County, NC: 3 nights, winter lows near 39°F. At 2,348 ft, Buncombe County sits 1,875 ft above the state's median county elevation of 473 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 Asheville, NC, 3 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.