PipeFreezeNights

Will Pipes Freeze in Warren County, KY? 19 nights a Year

Freeze nights in Warren County

In a normal year Warren County, KY gets 19 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 36% 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°F82 nights
Bare pipe in garage, attic or outside wall20°F19 nights
Insulated pipe in unheated space10°F4 nights
Inside the heated house0°Funder 1 night

Foam-sleeving a bare pipe in unheated space takes it from 19 nights of risk to 4 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. 8Jan
  8. 4Feb
  9. 1Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/31, last around 04/05. For 20°F: 12/04 to 02/27.

How cold Warren 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: 4 nights a year, and under 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
28°F31°F38°F47°F57°F66°F70°F68°F60°F48°F38°F32°F

Warren County next to its neighbours

Edmonson County, KY, 32 km northeast, gets 27 nights below 20°F to Warren County's 19 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Warren County, KY-82 nights19 nights28°F
Edmonson County, KY32 km northeast92 nights27 nights26°F
Simpson County, KY32 km southwest83 nights21 nights27°F
Butler County, KY33 km northwest94 nights25 nights24°F
Allen County, KY34 km southeast79 nights22 nights26°F
Logan County, KY43 km west91 nights24 nights26°F
Barren County, KY44 km east81 nights21 nights29°F

Warren County within KY

Warren County ranks 118 of 120 KY counties for nights below 20°F. The most is Shelby County, KY at 55 nights, with a 22°F average winter low. The fewest is Lyon County, KY: 15 nights, winter lows near 32°F. At 473 ft, Warren County sits 323 ft below the state's median county elevation of 797 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 Bowling Green Warren County Airport, KY, 3 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. Why elevation is part of the blend: how county numbers are made.