PipeFreezeNights

Will Pipes Freeze in King County, TX? 17 nights a Year

Freeze nights in King County

In a normal year King County, TX gets 17 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 34% 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°F86 nights
Bare pipe in garage, attic or outside wall20°F17 nights
Insulated pipe in unheated space10°F2 nights
Inside the heated house0°Funder 1 night

Foam-sleeving a bare pipe in unheated space takes it from 17 nights of risk to 2 nights. 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. 5Dec
  7. 6Jan
  8. 4Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 11/03, last around 04/04. For 20°F: 12/04 to 02/22.

How cold King County nights get

Average winter (Dec-Feb) low: 29°F; the coldest month, January, averages 27°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, February, December: 2 nights a year, and under 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
27°F30°F38°F46°F58°F67°F71°F69°F61°F49°F37°F29°F

King County next to its neighbours

Knox County, TX, 48 km east, gets 8 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
King County, TX-86 nights17 nights27°F
Knox County, TX48 km east61 nights8 nights30°F
Stonewall County, TX48 km south73 nights12 nights29°F
Dickens County, TX50 km west86 nights16 nights27°F
Cottle County, TX53 km north72 nights13 nights28°F
Foard County, TX55 km northeast76 nights14 nights28°F
Kent County, TX68 km southwest79 nights14 nights28°F

King County within TX

King County ranks 34 of 254 TX counties for nights below 20°F. The most is Lipscomb County, TX at 57 nights, with a 20°F average winter low. The fewest is Cameron County, TX: none, winter lows near 54°F. At 1,752 ft, King County sits 760 ft above the state's median county elevation of 992 ft.

What to do here

When to have the house ready: when freeze season starts.

Where this comes from

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