Will Pipes Freeze in Fredericksburg city, VA? 22 nights a Year
Freeze nights in Fredericksburg city
In a normal year Fredericksburg city, VA gets 22 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 38% 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 | 100 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 22 nights |
| Insulated pipe in unheated space | 10°F | 3 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 22 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.
First 32°F night is usually around 11/01, last around 04/06. For 20°F: 12/07 to 03/02.
How cold Fredericksburg city nights get
Average winter (Dec-Feb) low: 27°F; the coldest month, January, averages 25°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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 25°F | 27°F | 34°F | 44°F | 53°F | 63°F | 68°F | 66°F | 59°F | 46°F | 35°F | 29°F |
Fredericksburg city next to its neighbours
Spotsylvania County, VA, 20 km southwest, gets 23 nights below 20°F to Fredericksburg city's 22 nights. Stafford County, VA, 14 km north, gets 19 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Fredericksburg city, VA | - | 100 nights | 22 nights | 25°F |
| Stafford County, VA | 14 km north | 91 nights | 19 nights | 27°F |
| Spotsylvania County, VA | 20 km southwest | 100 nights | 23 nights | 26°F |
| King George County, VA | 28 km east | 91 nights | 19 nights | 26°F |
| Caroline County, VA | 32 km south | 94 nights | 20 nights | 26°F |
| Prince William County, VA | 45 km north | 95 nights | 24 nights | 24°F |
| Charles County, MD | 45 km northeast | 86 nights | 17 nights | 27°F |
Fredericksburg city within VA
Fredericksburg city ranks 72 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 114 ft, Fredericksburg city sits 334 ft below 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.
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 Fredericksburg Sewage, VA, 3 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.