PipeFreezeNights

Will Pipes Freeze in Northampton County, NC? 12 nights a Year

Freeze nights in Northampton County

In a normal year Northampton County, NC gets 12 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 28% of US counties.

Risk level: Regular. The risk season runs December to March, worst in January.

It depends where the pipe is

PipeFreezes nearNights a year
Outdoor spigot, open crawlspace32°F80 nights
Bare pipe in garage, attic or outside wall20°F12 nights
Insulated pipe in unheated space10°F1 night
Inside the heated house0°Funder 1 night

Foam-sleeving a bare pipe in unheated space takes it from 12 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. 2Dec
  7. 6Jan
  8. 3Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 11/01, last around 04/05. For 20°F: 12/18 to 02/26.

How cold Northampton County nights get

Average winter (Dec-Feb) low: 30°F; the coldest month, January, averages 29°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.

JanFebMarAprMayJunJulAugSepOctNovDec
29°F30°F36°F45°F55°F64°F68°F67°F61°F48°F38°F32°F

Northampton County next to its neighbours

Greensville County, VA, 32 km northwest, gets 13 nights below 20°F to Northampton County's 12 nights. Halifax County, NC, 29 km southwest, gets 9 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Northampton County, NC-80 nights12 nights29°F
Halifax County, NC29 km southwest70 nights9 nights30°F
Greensville County, VA32 km northwest83 nights13 nights29°F
Emporia city, VA33 km north83 nights13 nights29°F
Hertford County, NC38 km east80 nights12 nights30°F
Southampton County, VA42 km northeast82 nights13 nights29°F
Franklin city, VA50 km northeast79 nights13 nights30°F

Northampton County within NC

Northampton County ranks 41 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 106 ft, Northampton County sits 367 ft below the state's median county elevation of 473 ft.

What to do here

What insulating actually removes here, and when heat tape is needed: insulate or heat tape?.

Where this comes from

NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Jackson, NC, 4 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.