Will Pipes Freeze in Rowan County, NC? 15 nights a Year
Freeze nights in Rowan County
In a normal year Rowan County, NC gets 15 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 31% 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 | 80 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 15 nights |
| Insulated pipe in unheated space | 10°F | 1 night |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 15 nights of risk to 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 10/30, last around 04/06. For 20°F: 12/06 to 02/28.
How cold Rowan 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: 1 night 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 | 47°F | 56°F | 64°F | 68°F | 67°F | 60°F | 47°F | 37°F | 31°F |
Rowan County next to its neighbours
Davie County, NC, 32 km north, gets 30 nights below 20°F to Rowan County's 15 nights. Cabarrus County, NC, 28 km south, gets 11 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Rowan County, NC | - | 80 nights | 15 nights | 28°F |
| Cabarrus County, NC | 28 km south | 74 nights | 11 nights | 29°F |
| Davie County, NC | 32 km north | 111 nights | 30 nights | 25°F |
| Davidson County, NC | 33 km northeast | 84 nights | 16 nights | 28°F |
| Iredell County, NC | 37 km northwest | 99 nights | 23 nights | 26°F |
| Stanly County, NC | 44 km southeast | 67 nights | 9 nights | 31°F |
| Mecklenburg County, NC | 52 km southwest | 60 nights | 8 nights | 31°F |
Rowan County within NC
Rowan County ranks 33 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 771 ft, Rowan County sits 298 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 Salisbury, 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.