Will Pipes Freeze in Jackson County, NC? 26 nights a Year
Freeze nights in Jackson County
In a normal year Jackson County, NC gets 26 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 42% 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 | 105 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 26 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 26 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 10/22, last around 04/19. For 20°F: 11/24 to 03/09.
How cold Jackson County nights get
Average winter (Dec-Feb) low: 27°F; the coldest month, January, averages 25°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 | 28°F | 34°F | 41°F | 50°F | 58°F | 62°F | 61°F | 55°F | 43°F | 33°F | 28°F |
Jackson County next to its neighbours
Macon County, NC, 31 km southwest, gets 28 nights below 20°F to Jackson County's 26 nights. Transylvania County, NC, 29 km east, gets 22 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Jackson County, NC | - | 105 nights | 26 nights | 25°F |
| Transylvania County, NC | 29 km east | 94 nights | 22 nights | 27°F |
| Macon County, NC | 31 km southwest | 107 nights | 28 nights | 26°F |
| Haywood County, NC | 33 km northeast | 123 nights | 38 nights | 24°F |
| Swain County, NC | 44 km northwest | 121 nights | 49 nights | 22°F |
| Rabun County, GA | 51 km southwest | 88 nights | 15 nights | 30°F |
| Pickens County, SC | 58 km southeast | 74 nights | 11 nights | 30°F |
Jackson County within NC
Jackson County ranks 13 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 2,469 ft, Jackson County sits 1,996 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.
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 Cullowhee, NC, 6 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. How a county figure is built from stations: how the numbers are made.