Will Pipes Freeze in Danville city, VA? 14 nights a Year
Freeze nights in Danville city
In a normal year Danville city, VA gets 14 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 31% of US counties.
Risk level: Regular. The risk season runs November to March, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 87 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 14 nights |
| Insulated pipe in unheated space | 10°F | 1 night |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 14 nights of risk to 1 night. 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.
First 32°F night is usually around 10/28, last around 04/10. For 20°F: 12/02 to 03/01.
How cold Danville city nights get
Average winter (Dec-Feb) low: 29°F; the coldest month, January, averages 28°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: 1 night a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28°F | 30°F | 36°F | 45°F | 54°F | 63°F | 67°F | 66°F | 59°F | 46°F | 36°F | 30°F |
Danville city next to its neighbours
Pittsylvania County, VA, 27 km north, gets 37 nights below 20°F to Danville city's 14 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Danville city, VA | - | 87 nights | 14 nights | 28°F |
| Caswell County, NC | 22 km south | 85 nights | 14 nights | 28°F |
| Pittsylvania County, VA | 27 km north | 125 nights | 37 nights | 24°F |
| Rockingham County, NC | 40 km southwest | 86 nights | 14 nights | 28°F |
| Martinsville city, VA | 42 km west | 113 nights | 29 nights | 24°F |
| Person County, NC | 45 km southeast | 102 nights | 22 nights | 27°F |
| Halifax County, VA | 46 km northeast | 109 nights | 25 nights | 26°F |
Danville city within VA
Danville city ranks 100 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 564 ft, Danville city sits 116 ft above the state's median county elevation of 448 ft.
What to do here
- Insulate every pipe in unheated space before the season starts.
- Heat tape on the runs you cannot insulate well.
- Shut off and drain outdoor spigots for the season.
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 Danville Regional Airport, VA, 7 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.