PipeFreezeNights

Will Pipes Freeze in King George County, VA? 19 nights a Year

Freeze nights in King George County

In a normal year King George County, VA 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 35% 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°F91 nights
Bare pipe in garage, attic or outside wall20°F19 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 19 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. 4Dec
  7. 8Jan
  8. 5Feb
  9. 2Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/27, last around 04/14. For 20°F: 12/05 to 03/06.

How cold King George County nights get

Average winter (Dec-Feb) low: 28°F; the coldest month, January, averages 26°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: 3 nights a year, and under 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
26°F28°F35°F45°F54°F63°F68°F66°F59°F47°F37°F30°F

King George County next to its neighbours

Fredericksburg city, VA, 28 km west, gets 22 nights below 20°F to King George County's 19 nights. Charles County, MD, 25 km northeast, gets 17 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
King George County, VA-91 nights19 nights26°F
Charles County, MD25 km northeast86 nights17 nights27°F
Fredericksburg city, VA28 km west100 nights22 nights25°F
Stafford County, VA30 km northwest91 nights19 nights27°F
Caroline County, VA32 km southwest94 nights20 nights26°F
Westmoreland County, VA36 km southeast74 nights12 nights29°F
Essex County, VA43 km southeast78 nights14 nights29°F

King George County within VA

King George County ranks 82 of 133 VA counties for nights below 20°F. The most is Highland County, VA at 62 nights, with a 20°F average winter low. The fewest is Norfolk city, VA: 4 nights, winter lows near 35°F. At 138 ft, King George County sits 309 ft below the state's median county elevation of 448 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 Corbin, VA, 20 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.