Will Pipes Freeze in Beaver County, PA? 39 nights a Year
Freeze nights in Beaver County
In a normal year Beaver County, PA gets 39 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 55% 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 | 121 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 39 nights |
| Insulated pipe in unheated space | 10°F | 14 nights |
| Inside the heated house | 0°F | 4 nights |
Foam-sleeving a bare pipe in unheated space takes it from 39 nights of risk to 14 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 10/26, last around 04/28. For 20°F: 11/28 to 03/22.
How cold Beaver County nights get
Average winter (Dec-Feb) low: 22°F; the coldest month, January, averages 20°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: 14 nights a year, and 4 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20°F | 21°F | 28°F | 38°F | 49°F | 57°F | 62°F | 60°F | 54°F | 42°F | 33°F | 26°F |
Beaver County next to its neighbours
Lawrence County, PA, 34 km north, gets 51 nights below 20°F to Beaver County's 39 nights. Allegheny County, PA, 39 km southeast, gets 34 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Beaver County, PA | - | 121 nights | 39 nights | 20°F |
| Hancock County, WV | 26 km southwest | 116 nights | 39 nights | 20°F |
| Lawrence County, PA | 34 km north | 134 nights | 51 nights | 19°F |
| Columbiana County, OH | 37 km west | 134 nights | 52 nights | 19°F |
| Allegheny County, PA | 39 km southeast | 105 nights | 34 nights | 21°F |
| Butler County, PA | 44 km northeast | 139 nights | 54 nights | 17°F |
| Jefferson County, OH | 47 km southwest | 115 nights | 41 nights | 20°F |
Beaver County within PA
Beaver County ranks 53 of 67 PA counties for nights below 20°F. The most is Susquehanna County, PA at 80 nights, with a 15°F average winter low. The fewest is Delaware County, PA: 15 nights, winter lows near 28°F. At 1,141 ft, Beaver County sits close to the state's median county elevation of 1,141 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 Montgomery L&d, PA, 5 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.