PipeFreezeNights

Will Pipes Freeze in Itawamba County, MS? 10 nights a Year

Freeze nights in Itawamba County

In a normal year Itawamba County, MS gets 10 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 December to February, 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°F10 nights
Insulated pipe in unheated space10°F1 night
Inside the heated house0°Fnone

Foam-sleeving a bare pipe in unheated space takes it from 10 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. 5Jan
  8. 2Feb
  9. Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/31, last around 04/01. For 20°F: 12/06 to 02/22.

How cold Itawamba 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 none below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
30°F33°F40°F49°F58°F66°F70°F68°F61°F49°F39°F33°F

Itawamba County next to its neighbours

Prentiss County, MS, 40 km north, gets 12 nights below 20°F to Itawamba County's 10 nights. Lee County, MS, 29 km west, gets 8 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Itawamba County, MS-66 nights10 nights30°F
Lee County, MS29 km west57 nights8 nights33°F
Prentiss County, MS40 km north68 nights12 nights29°F
Monroe County, MS45 km south60 nights8 nights31°F
Marion County, AL47 km east90 nights23 nights29°F
Franklin County, AL51 km east71 nights14 nights31°F
Tishomingo County, MS52 km north95 nights24 nights28°F

Itawamba County within MS

Itawamba County ranks 16 of 82 MS counties for nights below 20°F. The most is Tishomingo County, MS at 24 nights, with a 30°F average winter low. The fewest is Harrison County, MS: under 1 night, winter lows near 45°F. At 437 ft, Itawamba County sits 135 ft above the state's median county elevation of 302 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 Fulton (3 mi W), MS, 9 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.