Will Pipes Freeze in Allen Parish, LA? under 1 night a Year
Freeze nights in Allen Parish
In a normal year Allen 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 5% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 20 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 |
Foam-sleeving a bare pipe in unheated space takes it from under 1 night of risk to none. 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 11/24, last around 03/01. For 20°F: 01/10 to 01/21.
How cold Allen Parish nights get
Average winter (Dec-Feb) low: 41°F; the coldest month, January, averages 39°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 39°F | 43°F | 50°F | 56°F | 64°F | 70°F | 72°F | 72°F | 67°F | 56°F | 47°F | 41°F |
Allen Parish next to its neighbours
Vernon Parish, LA, 61 km northwest, gets 2 nights below 20°F to Allen Parish's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Allen Parish, LA | - | 20 nights | under 1 night | 39°F |
| Evangeline Parish, LA | 40 km east | 19 nights | under 1 night | 40°F |
| Jefferson Davis Parish, LA | 43 km south | 14 nights | under 1 night | 42°F |
| Beauregard Parish, LA | 50 km west | 27 nights | under 1 night | 39°F |
| Acadia Parish, LA | 56 km southeast | 16 nights | under 1 night | 41°F |
| Vernon Parish, LA | 61 km northwest | 34 nights | 2 nights | 38°F |
| Rapides Parish, LA | 66 km northeast | 30 nights | 2 nights | 39°F |
Allen Parish within LA
Allen Parish ranks 43 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 56 ft, Allen Parish sits close to 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 Oberlin Fire Twr, LA, 7 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. Why elevation is part of the blend: how county numbers are made.