PipeFreezeNights

Will Pipes Freeze in Catawba County, NC? 8 nights a Year

Freeze nights in Catawba County

In a normal year Catawba County, NC gets 8 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 23% of US counties.

Risk level: Occasional. The risk season runs December to February, worst in January.

It depends where the pipe is

PipeFreezes nearNights a year
Outdoor spigot, open crawlspace32°F59 nights
Bare pipe in garage, attic or outside wall20°F8 nights
Insulated pipe in unheated space10°F1 night
Inside the heated house0°Fnone

Foam-sleeving a bare pipe in unheated space takes it from 8 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.

  1. Jul
  2. Aug
  3. Sep
  4. Oct
  5. Nov
  6. 1Dec
  7. 5Jan
  8. 1Feb
  9. Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 11/08, last around 03/24. For 20°F: 12/24 to 02/09.

How cold Catawba County nights get

Average winter (Dec-Feb) low: 32°F; the coldest month, January, averages 31°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: 1 night a year, and none below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
31°F33°F40°F48°F57°F65°F68°F67°F61°F49°F39°F34°F

Catawba County next to its neighbours

Lincoln County, NC, 19 km south, gets 14 nights below 20°F to Catawba County's 8 nights. Gaston County, NC, 41 km south, gets 7 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Catawba County, NC-59 nights8 nights31°F
Lincoln County, NC19 km south76 nights14 nights30°F
Alexander County, NC29 km north67 nights9 nights29°F
Iredell County, NC35 km northeast99 nights23 nights26°F
Gaston County, NC41 km south61 nights7 nights32°F
Caldwell County, NC43 km northwest85 nights14 nights28°F
Burke County, NC45 km west90 nights17 nights28°F

Catawba County within NC

Catawba County ranks 65 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 958 ft, Catawba County sits 485 ft above the state's median county elevation of 473 ft.

What to do here

Whether foam sleeves are enough here: insulate or heat tape?.

Where this comes from

NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Catawba (5 mi SW), NC, 7 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.