Will Pipes Freeze in Alexander County, NC? 9 nights a Year
Freeze nights in Alexander County
In a normal year Alexander County, NC gets 9 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 25% of US counties.
Risk level: Occasional. The risk season runs December to February, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 67 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 9 nights |
| Insulated pipe in unheated space | 10°F | under 1 night |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 9 nights of risk to under 1 night. 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 11/04, last around 04/02. For 20°F: 12/14 to 02/18.
How cold Alexander County nights get
Average winter (Dec-Feb) low: 31°F; the coldest month, January, averages 29°F overnight. 6 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January: under 1 night a year, and none below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29°F | 32°F | 39°F | 46°F | 54°F | 63°F | 66°F | 66°F | 59°F | 48°F | 38°F | 32°F |
Alexander County next to its neighbours
Iredell County, NC, 30 km southeast, gets 23 nights below 20°F to Alexander County's 9 nights. Catawba County, NC, 29 km south, gets 8 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Alexander County, NC | - | 67 nights | 9 nights | 29°F |
| Catawba County, NC | 29 km south | 59 nights | 8 nights | 31°F |
| Iredell County, NC | 30 km southeast | 99 nights | 23 nights | 26°F |
| Caldwell County, NC | 31 km west | 85 nights | 14 nights | 28°F |
| Wilkes County, NC | 32 km north | 101 nights | 20 nights | 27°F |
| Lincoln County, NC | 48 km south | 76 nights | 14 nights | 30°F |
| Burke County, NC | 51 km west | 90 nights | 17 nights | 28°F |
Alexander County within NC
Alexander County ranks 53 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 1,227 ft, Alexander County sits 754 ft above the state's median county elevation of 473 ft.
What to do here
- Keep a night-of routine: drip, open cabinets, keep the heat at 55F or above.
- Foam-sleeve any pipe in the garage or crawlspace once; it is cheap and lasts years.
Few hard nights means pipes are rarely built for them; see freezes in warm places.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Taylorsville, NC, 1 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.