Will Pipes Freeze in St. Bernard Parish, LA? under 1 night a Year
Freeze nights in St. Bernard Parish
In a normal year St. Bernard Parish, LA gets under 1 night at or below 20°F, the point where bare pipes in a garage, attic or outside wall start to freeze. That is more than 4% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 14 nights |
| Bare pipe in garage, attic or outside wall | 20°F | under 1 night |
| Insulated pipe in unheated space | 10°F | none |
| Inside the heated house | 0°F | none |
Month by month
Nights at or below 20°F in a normal year.
First 32°F night is usually around 12/03, last around 02/21. For 20°F: 01/10 to 01/15.
How cold St. Bernard Parish nights get
Average winter (Dec-Feb) low: 44°F; the coldest month, January, averages 43°F overnight. 5 months normally bring at least one night below 32°F (Jan, Feb, Mar, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 43°F | 46°F | 52°F | 59°F | 67°F | 73°F | 75°F | 75°F | 71°F | 61°F | 50°F | 44°F |
St. Bernard Parish next to its neighbours
Hancock County, MS, 57 km north, gets 1 night below 20°F to St. Bernard Parish's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| St. Bernard Parish, LA | - | 14 nights | under 1 night | 43°F |
| Hancock County, MS | 57 km north | 26 nights | 1 night | 40°F |
| Harrison County, MS | 58 km north | 16 nights | under 1 night | 43°F |
| Orleans Parish, LA | 66 km west | 4 nights | under 1 night | 46°F |
| Plaquemines Parish, LA | 77 km southwest | 3 nights | none | 47°F |
| Jackson County, MS | 86 km northeast | 26 nights | under 1 night | 40°F |
| St. Tammany Parish, LA | 86 km northwest | 24 nights | under 1 night | 41°F |
St. Bernard Parish within LA
St. Bernard Parish ranks 50 of 64 LA counties for nights below 20°F. The most is Claiborne Parish, LA at 5 nights, with a 34°F average winter low. The fewest is Plaquemines Parish, LA: none, winter lows near 49°F. At -2 ft, St. Bernard Parish sits 72 ft below the state's median county elevation of 70 ft.
What to do here
- Watch the forecast for a sub-threshold night.
- That night: drip the faucet on an outside wall, open the sink cabinet.
Why rare cold catches people out - freezes in places that rarely freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Waveland, MS, 43 km away (fair 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.