PipeFreezeNights

Will Pipes Freeze in Winchester city, VA? 32 nights a Year

Freeze nights in Winchester city

In a normal year Winchester city, VA gets 32 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 48% 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°F106 nights
Bare pipe in garage, attic or outside wall20°F32 nights
Insulated pipe in unheated space10°F6 nights
Inside the heated house0°Funder 1 night

Foam-sleeving a bare pipe in unheated space takes it from 32 nights of risk to 6 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. 7Dec
  7. 13Jan
  8. 8Feb
  9. 3Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/29, last around 04/11. For 20°F: 12/05 to 03/08.

How cold Winchester city nights get

Average winter (Dec-Feb) low: 25°F; the coldest month, January, averages 23°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: 6 nights a year, and under 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
23°F25°F32°F42°F52°F61°F65°F63°F56°F44°F35°F28°F

Winchester city next to its neighbours

Frederick County, VA, 8 km northwest, gets 36 nights below 20°F to Winchester city's 32 nights. Warren County, VA, 30 km south, gets 30 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Winchester city, VA-106 nights32 nights23°F
Frederick County, VA8 km northwest114 nights36 nights22°F
Clarke County, VA17 km east116 nights36 nights23°F
Warren County, VA30 km south106 nights30 nights24°F
Jefferson County, WV31 km northeast114 nights34 nights23°F
Berkeley County, WV33 km north111 nights32 nights23°F
Hampshire County, WV41 km west134 nights46 nights20°F

Winchester city within VA

Winchester city ranks 34 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 756 ft, Winchester city sits 308 ft above 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 Winchester, VA, 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.