PipeFreezeNights

Will Pipes Freeze in Lawrence County, AL? 11 nights a Year

Freeze nights in Lawrence County

In a normal year Lawrence County, AL gets 11 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 27% of US counties.

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

It depends where the pipe is

PipeFreezes nearNights a year
Outdoor spigot, open crawlspace32°F66 nights
Bare pipe in garage, attic or outside wall20°F11 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 11 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. 1Nov
  6. 2Dec
  7. 5Jan
  8. 2Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/31, last around 04/02. For 20°F: 12/04 to 02/22.

How cold Lawrence County nights get

Average winter (Dec-Feb) low: 32°F; the coldest month, January, averages 30°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
30°F33°F41°F49°F58°F65°F69°F67°F61°F49°F38°F33°F

Lawrence County next to its neighbours

Winston County, AL, 42 km south, gets 13 nights below 20°F to Lawrence County's 11 nights. Morgan County, AL, 44 km east, gets 8 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Lawrence County, AL-66 nights11 nights30°F
Winston County, AL42 km south69 nights13 nights31°F
Limestone County, AL44 km northeast64 nights11 nights33°F
Morgan County, AL44 km east56 nights8 nights32°F
Colbert County, AL48 km northwest62 nights9 nights31°F
Franklin County, AL49 km west71 nights14 nights31°F
Lauderdale County, AL51 km northwest62 nights9 nights31°F

Lawrence County within AL

Lawrence County ranks 16 of 67 AL counties for nights below 20°F. The most is Marion County, AL at 23 nights, with a 31°F average winter low. The fewest is Mobile County, AL: under 1 night, winter lows near 43°F. At 623 ft, Lawrence County sits 188 ft above the state's median county elevation of 435 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 Moulton 2, AL, 5 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. What a "fair" or "distant" station match means is in the method guide.