Will Pipes Freeze in Terrebonne Parish, LA? under 1 night a Year
Freeze nights in Terrebonne Parish
In a normal year Terrebonne 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 3% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 9 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 12/17, last around 02/05. For 20°F: 01/13 to 01/18.
How cold Terrebonne Parish nights get
Average winter (Dec-Feb) low: 46°F; the coldest month, January, averages 44°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 44°F | 48°F | 54°F | 60°F | 68°F | 73°F | 75°F | 75°F | 71°F | 62°F | 52°F | 46°F |
Terrebonne Parish next to its neighbours
The six closest counties all sit within a night of Terrebonne Parish.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Terrebonne Parish, LA | - | 9 nights | under 1 night | 44°F |
| Lafourche Parish, LA | 47 km east | 9 nights | under 1 night | 45°F |
| Assumption Parish, LA | 67 km north | 13 nights | under 1 night | 43°F |
| St. Mary Parish, LA | 68 km northwest | 6 nights | under 1 night | 45°F |
| St. James Parish, LA | 77 km north | 14 nights | under 1 night | 43°F |
| St. Charles Parish, LA | 79 km northeast | 6 nights | under 1 night | 46°F |
| Jefferson Parish, LA | 80 km east | 8 nights | under 1 night | 45°F |
Terrebonne Parish within LA
Terrebonne Parish ranks 60 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, Terrebonne Parish sits 69 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 Houma, LA, 34 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.