PipeFreezeNights

Will Pipes Freeze in Franklin County, VA? 21 nights a Year

Freeze nights in Franklin County

In a normal year Franklin County, VA gets 21 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 37% 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°F102 nights
Bare pipe in garage, attic or outside wall20°F21 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 21 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. 5Dec
  7. 8Jan
  8. 5Feb
  9. 2Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/25, last around 04/20. For 20°F: 11/29 to 03/04.

How cold Franklin County nights get

Average winter (Dec-Feb) low: 28°F; the coldest month, January, averages 27°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
27°F27°F34°F42°F52°F61°F65°F63°F56°F44°F34°F29°F

Franklin County next to its neighbours

Martinsville city, VA, 34 km south, gets 29 nights below 20°F to Franklin County's 21 nights. Roanoke city, VA, 33 km north, gets 15 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Franklin County, VA-102 nights21 nights27°F
Roanoke city, VA33 km north84 nights15 nights27°F
Martinsville city, VA34 km south113 nights29 nights24°F
Salem city, VA36 km northwest85 nights16 nights27°F
Floyd County, VA42 km west121 nights36 nights23°F
Henry County, VA42 km south108 nights26 nights25°F
Roanoke County, VA47 km northwest120 nights38 nights23°F

Franklin County within VA

Franklin County ranks 76 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 1,076 ft, Franklin County sits 629 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 Rocky Mount, VA, 2 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.