Will Pipes Freeze in Mobile County, AL? under 1 night a Year
Freeze nights in Mobile County
In a normal year Mobile County, AL 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 6% of US counties.
Risk level: Rare. The risk season runs January to January, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 21 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 11/25, last around 03/03. For 20°F: 01/10 to 01/20.
How cold Mobile County nights get
Average winter (Dec-Feb) low: 43°F; the coldest month, January, averages 41°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 41°F | 45°F | 50°F | 56°F | 64°F | 71°F | 73°F | 73°F | 69°F | 58°F | 48°F | 43°F |
Mobile County next to its neighbours
Baldwin County, AL, 43 km east, gets 2 nights below 20°F to Mobile County's under 1 night. Escambia County, FL, 86 km east, gets under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Mobile County, AL | - | 21 nights | under 1 night | 41°F |
| Baldwin County, AL | 43 km east | 28 nights | 2 nights | 39°F |
| George County, MS | 47 km northwest | 28 nights | 2 nights | 39°F |
| Jackson County, MS | 48 km southwest | 26 nights | under 1 night | 40°F |
| Greene County, MS | 72 km northwest | 50 nights | 4 nights | 35°F |
| Washington County, AL | 81 km north | 50 nights | 4 nights | 34°F |
| Escambia County, FL | 86 km east | 13 nights | under 1 night | 43°F |
Mobile County within AL
Mobile County ranks 67 of 67 AL counties for nights below 20°F. The most is Marion County, AL at 23 nights, with a 31°F average winter low. At 186 ft, Mobile County sits 249 ft below the state's median county elevation of 435 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.
A few nights a year catches houses that were never built for it: pipes 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 Mobile, AL, 4 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.