Will Pipes Freeze in Dallas County, AR? 10 nights a Year
Freeze nights in Dallas County
In a normal year Dallas County, AR 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 25% 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 | 72 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 10 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 10 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 11/04, last around 03/29. For 20°F: 12/25 to 02/04.
How cold Dallas County nights get
Average winter (Dec-Feb) low: 32°F; the coldest month, January, averages 30°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: under 1 night a year, and none below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°F | 34°F | 41°F | 49°F | 59°F | 67°F | 71°F | 69°F | 62°F | 50°F | 39°F | 33°F |
Dallas County next to its neighbours
Grant County, AR, 41 km northeast, gets 11 nights below 20°F to Dallas County's 10 nights. Cleveland County, AR, 44 km east, gets 6 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Dallas County, AR | - | 72 nights | 10 nights | 30°F |
| Grant County, AR | 41 km northeast | 73 nights | 11 nights | 29°F |
| Cleveland County, AR | 44 km east | 56 nights | 6 nights | 33°F |
| Ouachita County, AR | 47 km southwest | 63 nights | 7 nights | 31°F |
| Hot Spring County, AR | 47 km northwest | 60 nights | 7 nights | 31°F |
| Calhoun County, AR | 47 km south | 64 nights | 7 nights | 32°F |
| Clark County, AR | 49 km west | 64 nights | 8 nights | 30°F |
Dallas County within AR
Dallas County ranks 42 of 75 AR counties for nights below 20°F. The most is Benton County, AR at 29 nights, with a 27°F average winter low. The fewest is Miller County, AR: 3 nights, winter lows near 37°F. At 270 ft, Dallas County sits 77 ft below the state's median county elevation of 347 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.
Few hard nights means pipes are rarely built for them; see freezes in warm places.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Sparkman, AR, 17 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.