PipeFreezeNights

Will Pipes Freeze in Bryan County, OK? 9 nights a Year

Freeze nights in Bryan County

In a normal year Bryan County, OK gets 9 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 24% of US counties.

Risk level: Occasional. The risk season runs December to March, worst in January.

It depends where the pipe is

PipeFreezes nearNights a year
Outdoor spigot, open crawlspace32°F57 nights
Bare pipe in garage, attic or outside wall20°F9 nights
Insulated pipe in unheated space10°F1 night
Inside the heated house0°Fnone

Foam-sleeving a bare pipe in unheated space takes it from 9 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. 4Jan
  8. 2Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 11/12, last around 03/19. For 20°F: 12/26 to 02/03.

How cold Bryan County nights get

Average winter (Dec-Feb) low: 34°F; the coldest month, January, averages 32°F overnight. 6 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, 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
32°F35°F43°F51°F60°F69°F72°F71°F64°F52°F42°F34°F

Bryan County next to its neighbours

Marshall County, OK, 47 km west, gets 10 nights below 20°F to Bryan County's 9 nights. Fannin County, TX, 44 km south, gets 7 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Bryan County, OK-57 nights9 nights32°F
Fannin County, TX44 km south55 nights7 nights33°F
Marshall County, OK47 km west62 nights10 nights30°F
Atoka County, OK52 km northeast71 nights14 nights29°F
Johnston County, OK53 km northwest68 nights13 nights30°F
Grayson County, TX54 km southwest44 nights7 nights34°F
Choctaw County, OK66 km east53 nights7 nights32°F

Bryan County within OK

Bryan County ranks 76 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 587 ft, Bryan County sits 422 ft below the state's median county elevation of 1,009 ft.

What to do here

Which pipe gets which threshold: the 32, 20, 10 and 0 rule.

Where this comes from

NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Durant Mesonet (6 mi SSE), OK, 7 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.