Will Pipes Freeze in Lamar County, AL? 10 nights a Year
Freeze nights in Lamar County
In a normal year Lamar County, AL gets 10 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 27% 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 | 66 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 10 nights |
| Insulated pipe in unheated space | 10°F | 1 night |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 10 nights of risk to 1 night. 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 11/05, last around 03/29. For 20°F: 12/24 to 02/07.
How cold Lamar County nights get
Average winter (Dec-Feb) low: 35°F; the coldest month, January, averages 33°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: 1 night a year, and none below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 33°F | 37°F | 44°F | 50°F | 59°F | 67°F | 71°F | 70°F | 63°F | 51°F | 42°F | 36°F |
Lamar County next to its neighbours
Marion County, AL, 43 km northeast, gets 23 nights below 20°F to Lamar County's 10 nights. Monroe County, MS, 38 km west, gets 8 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Lamar County, AL | - | 66 nights | 10 nights | 33°F |
| Fayette County, AL | 31 km east | 71 nights | 10 nights | 34°F |
| Monroe County, MS | 38 km west | 60 nights | 8 nights | 31°F |
| Marion County, AL | 43 km northeast | 90 nights | 23 nights | 29°F |
| Lowndes County, MS | 48 km southwest | 51 nights | 5 nights | 36°F |
| Pickens County, AL | 55 km south | 58 nights | 7 nights | 34°F |
| Itawamba County, MS | 61 km northwest | 66 nights | 10 nights | 30°F |
Lamar County within AL
Lamar County ranks 18 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. The fewest is Mobile County, AL: under 1 night, winter lows near 43°F. At 313 ft, Lamar County sits 122 ft below the state's median county elevation of 435 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 Vernon, AL, 7 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.