PipeFreezeNights

Will Pipes Freeze in Wythe County, VA? 41 nights a Year

Freeze nights in Wythe County

In a normal year Wythe County, VA gets 41 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 57% of US counties.

Risk level: Severe. The risk season runs November to March, worst in January.

It depends where the pipe is

PipeFreezes nearNights a year
Outdoor spigot, open crawlspace32°F130 nights
Bare pipe in garage, attic or outside wall20°F41 nights
Insulated pipe in unheated space10°F8 nights
Inside the heated house0°F1 night

Foam-sleeving a bare pipe in unheated space takes it from 41 nights of risk to 8 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. 4Nov
  6. 9Dec
  7. 13Jan
  8. 9Feb
  9. 5Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/18, last around 04/25. For 20°F: 11/16 to 03/13.

How cold Wythe County nights get

Average winter (Dec-Feb) low: 25°F; the coldest month, January, averages 24°F overnight. 8 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, December: 8 nights a year, and 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
24°F26°F31°F39°F49°F57°F61°F60°F53°F41°F31°F27°F

Wythe County next to its neighbours

Bland County, VA, 26 km north, gets 43 nights below 20°F to Wythe County's 41 nights. Grayson County, VA, 30 km southwest, gets 34 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Wythe County, VA-130 nights41 nights24°F
Bland County, VA26 km north122 nights43 nights22°F
Grayson County, VA30 km southwest94 nights34 nights22°F
Galax city, VA30 km southeast123 nights36 nights23°F
Carroll County, VA37 km southeast117 nights31 nights24°F
Pulaski County, VA38 km northeast118 nights33 nights24°F
Smyth County, VA41 km west126 nights40 nights23°F

Wythe County within VA

Wythe County ranks 7 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 2,574 ft, Wythe County sits 2,127 ft above the state's median county elevation of 448 ft.

What to do here

At this many nights, foam alone is not the answer: insulate or heat tape?.

Where this comes from

NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Wytheville, VA, 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.