Will Pipes Freeze in Adair County, OK? 19 nights a Year
Freeze nights in Adair County
In a normal year Adair County, OK gets 19 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 35% 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 | 77 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 19 nights |
| Insulated pipe in unheated space | 10°F | 4 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 19 nights of risk to 4 nights. 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 03/31. For 20°F: 12/10 to 02/19.
How cold Adair County nights get
Average winter (Dec-Feb) low: 30°F; the coldest month, January, averages 27°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, December: 4 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27°F | 32°F | 39°F | 47°F | 56°F | 64°F | 68°F | 67°F | 59°F | 49°F | 38°F | 30°F |
Adair County next to its neighbours
Washington County, AR, 40 km east, gets 24 nights below 20°F to Adair County's 19 nights. Sequoyah County, OK, 45 km south, gets 15 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Adair County, OK | - | 77 nights | 19 nights | 27°F |
| Cherokee County, OK | 31 km west | 74 nights | 19 nights | 28°F |
| Washington County, AR | 40 km east | 91 nights | 24 nights | 26°F |
| Sequoyah County, OK | 45 km south | 67 nights | 15 nights | 28°F |
| Crawford County, AR | 51 km southeast | 84 nights | 18 nights | 26°F |
| Delaware County, OK | 57 km north | 93 nights | 26 nights | 24°F |
| Benton County, AR | 60 km northeast | 98 nights | 29 nights | 25°F |
Adair County within OK
Adair County ranks 40 of 77 OK counties for nights below 20°F. The most is Beaver County, OK at 55 nights, with a 21°F average winter low. The fewest is Choctaw County, OK: 7 nights, winter lows near 34°F. At 1,171 ft, Adair County sits 162 ft above the state's median county elevation of 1,009 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.
Why 20°F is the line for a garage pipe: how cold before pipes freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Stilwell (5 mi NNW), OK, 0 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.