Will Pipes Freeze in Atlantic County, NJ? 27 nights a Year
Freeze nights in Atlantic County
In a normal year Atlantic County, NJ gets 27 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 43% 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 | 98 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 27 nights |
| Insulated pipe in unheated space | 10°F | 5 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 27 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.
First 32°F night is usually around 10/29, last around 04/18. For 20°F: 12/03 to 03/12.
How cold Atlantic County 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: 5 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 25°F | 26°F | 33°F | 42°F | 52°F | 62°F | 67°F | 66°F | 59°F | 47°F | 37°F | 30°F |
Atlantic County next to its neighbours
Cumberland County, NJ, 45 km west, gets 29 nights below 20°F to Atlantic County's 27 nights. Cape May County, NJ, 46 km southwest, gets 24 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Atlantic County, NJ | - | 98 nights | 27 nights | 25°F |
| Cumberland County, NJ | 45 km west | 106 nights | 29 nights | 24°F |
| Burlington County, NJ | 45 km north | 108 nights | 30 nights | 24°F |
| Cape May County, NJ | 46 km southwest | 96 nights | 24 nights | 27°F |
| Camden County, NJ | 46 km northwest | 104 nights | 27 nights | 25°F |
| Gloucester County, NJ | 52 km northwest | 99 nights | 24 nights | 25°F |
| Ocean County, NJ | 55 km northeast | 111 nights | 34 nights | 22°F |
Atlantic County within NJ
Atlantic County ranks 17 of 21 NJ counties for nights below 20°F. The most is Sussex County, NJ at 58 nights, with a 20°F average winter low. The fewest is Hudson County, NJ: 20 nights, winter lows near 28°F. At 74 ft, Atlantic County sits close to the state's median county elevation of 89 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.
When to have the house ready: when freeze season starts.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Atlantic City International Airport, NJ, 6 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.