Will Pipes Freeze in Sumter County, AL? 8 nights a Year
Freeze nights in Sumter County
In a normal year Sumter County, AL gets 8 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 23% of US counties.
Risk level: Occasional. The risk season runs December to February, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 61 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 8 nights |
| Insulated pipe in unheated space | 10°F | under 1 night |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 8 nights of risk to under 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 11/09, last around 03/20. For 20°F: 12/25 to 02/02.
How cold Sumter County nights get
Average winter (Dec-Feb) low: 35°F; the coldest month, January, averages 34°F overnight. 7 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Oct, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 34°F | 36°F | 43°F | 50°F | 59°F | 68°F | 71°F | 70°F | 64°F | 52°F | 41°F | 35°F |
Sumter County next to its neighbours
Greene County, AL, 35 km northeast, gets 5 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Sumter County, AL | - | 61 nights | 8 nights | 34°F |
| Greene County, AL | 35 km northeast | 51 nights | 5 nights | 34°F |
| Kemper County, MS | 43 km northwest | 47 nights | 5 nights | 36°F |
| Lauderdale County, MS | 48 km southwest | 48 nights | 4 nights | 36°F |
| Marengo County, AL | 55 km southeast | 47 nights | 4 nights | 35°F |
| Hale County, AL | 57 km east | 43 nights | 4 nights | 36°F |
| Noxubee County, MS | 66 km northwest | 58 nights | 7 nights | 33°F |
Sumter County within AL
Sumter County ranks 26 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 123 ft, Sumter County sits 312 ft below the state's median county elevation of 435 ft.
What to do here
- Keep a night-of routine: drip, open cabinets, keep the heat at 55F or above.
- Foam-sleeve any pipe in the garage or crawlspace once; it is cheap and lasts years.
Which pipe gets which threshold: the 32, 20, 10 and 0 rule.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Livingston, AL, 2 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.