PipeFreezeNights

Will Pipes Freeze in Garvin County, OK? 20 nights a Year

Freeze nights in Garvin County

In a normal year Garvin County, OK gets 20 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 37% 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°F80 nights
Bare pipe in garage, attic or outside wall20°F20 nights
Insulated pipe in unheated space10°F3 nights
Inside the heated house0°Funder 1 night

Foam-sleeving a bare pipe in unheated space takes it from 20 nights of risk to 3 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. 6Dec
  7. 8Jan
  8. 4Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 11/01, last around 04/05. For 20°F: 12/02 to 02/28.

How cold Garvin 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 January, February, December: 3 nights a year, and under 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
28°F32°F40°F48°F59°F68°F71°F70°F62°F50°F39°F30°F

Garvin County next to its neighbours

Murray County, OK, 33 km southeast, gets 18 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Garvin County, OK-80 nights20 nights28°F
Murray County, OK33 km southeast75 nights18 nights28°F
McClain County, OK36 km north77 nights17 nights27°F
Carter County, OK51 km south60 nights11 nights30°F
Cleveland County, OK55 km north76 nights16 nights28°F
Stephens County, OK56 km southwest67 nights13 nights29°F
Pontotoc County, OK57 km east71 nights15 nights28°F

Garvin County within OK

Garvin County ranks 34 of 77 OK counties for nights below 20°F. The most is Beaver County, OK at 55 nights, with a 21°F average winter low. The fewest is Choctaw County, OK: 7 nights, winter lows near 34°F. At 967 ft, Garvin County sits close to the state's median county elevation of 1,009 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 Pauls Valley (4 mi WSW), OK, 3 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.