PipeFreezeNights

Will Pipes Freeze in Amherst County, VA? 30 nights a Year

Freeze nights in Amherst County

In a normal year Amherst County, VA gets 30 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 46% 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°F114 nights
Bare pipe in garage, attic or outside wall20°F30 nights
Insulated pipe in unheated space10°F5 nights
Inside the heated house0°Funder 1 night

Foam-sleeving a bare pipe in unheated space takes it from 30 nights of risk to 5 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. 2Nov
  6. 7Dec
  7. 11Jan
  8. 8Feb
  9. 2Mar
  10. Apr
  11. May
  12. Jun

First 32°F night is usually around 10/23, last around 04/23. For 20°F: 11/21 to 03/15.

How cold Amherst County nights get

Average winter (Dec-Feb) low: 26°F; the coldest month, January, averages 24°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: 5 nights a year, and under 1 night below zero.

JanFebMarAprMayJunJulAugSepOctNovDec
24°F26°F32°F42°F51°F60°F65°F63°F56°F44°F33°F28°F

Amherst County next to its neighbours

Buena Vista city, VA, 21 km northwest, gets 31 nights below 20°F to Amherst County's 30 nights. Lynchburg city, VA, 26 km south, gets 27 nights.

CountyDistanceBelow 32°FBelow 20°FJan low
Amherst County, VA-114 nights30 nights24°F
Buena Vista city, VA21 km northwest114 nights31 nights24°F
Lynchburg city, VA26 km south115 nights27 nights25°F
Nelson County, VA30 km northeast119 nights35 nights23°F
Lexington city, VA31 km northwest119 nights34 nights23°F
Rockbridge County, VA33 km northwest118 nights33 nights24°F
Appomattox County, VA42 km southeast96 nights23 nights27°F

Amherst County within VA

Amherst County ranks 45 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 1,164 ft, Amherst County sits 717 ft above the state's median county elevation of 448 ft.

What to do here

Why 20°F is the line for a garage pipe: how cold before pipes freeze.

Where this comes from

NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Lexington, VA, 30 km away (fair 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.