PipeFreezeNights

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

Freeze nights in Presidio County

In a normal year Presidio 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 December.

It depends where the pipe is

PipeFreezes nearNights a year
Outdoor spigot, open crawlspace32°F83 nights
Bare pipe in garage, attic or outside wall20°F17 nights
Insulated pipe in unheated space10°F1 night
Inside the heated house0°Fnone

Foam-sleeving a bare pipe in unheated space takes it from 17 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. 2Nov
  6. 6Dec
  7. 5Jan
  8. 3Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/27, last around 04/14. For 20°F: 11/29 to 02/28.

How cold Presidio County nights get

Average winter (Dec-Feb) low: 30°F; the coldest month, January, averages 28°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 December: 1 night a year, and none below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
28°F32°F38°F44°F53°F61°F62°F62°F56°F47°F36°F30°F

Presidio County next to its neighbours

Hudspeth County, TX, 193 km northwest, gets 19 nights below 20°F to Presidio County's 17 nights. Jeff Davis County, TX, 69 km north, gets 11 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Presidio County, TX-83 nights17 nights28°F
Jeff Davis County, TX69 km north64 nights11 nights32°F
Brewster County, TX100 km east37 nights2 nights34°F
Reeves County, TX154 km north68 nights7 nights30°F
Culberson County, TX162 km north57 nights9 nights33°F
Pecos County, TX171 km northeast36 nights3 nights36°F
Hudspeth County, TX193 km northwest99 nights19 nights25°F

Presidio County within TX

Presidio County ranks 33 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 4,932 ft, Presidio County sits 3,939 ft above the state's median county elevation of 992 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 Marfa (3 mi W), TX, 39 km away (fair 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.