Will Pipes Freeze in Sherman County, TX? 45 nights a Year
Freeze nights in Sherman County
In a normal year Sherman County, TX gets 45 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 60% of US counties.
Risk level: Severe. The risk season runs November to April, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 132 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 45 nights |
| Insulated pipe in unheated space | 10°F | 9 nights |
| Inside the heated house | 0°F | 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 45 nights of risk to 9 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 10/21, last around 04/21. For 20°F: 11/18 to 03/16.
How cold Sherman County nights get
Average winter (Dec-Feb) low: 22°F; the coldest month, January, averages 21°F overnight. 8 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, November, December: 9 nights a year, and 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21°F | 23°F | 31°F | 39°F | 49°F | 60°F | 65°F | 63°F | 55°F | 42°F | 30°F | 22°F |
Sherman County next to its neighbours
Dallam County, TX, 62 km west, gets 51 nights below 20°F to Sherman County's 45 nights. Hansford County, TX, 49 km east, gets 44 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Sherman County, TX | - | 132 nights | 45 nights | 21°F |
| Hansford County, TX | 49 km east | 127 nights | 44 nights | 21°F |
| Moore County, TX | 49 km south | 123 nights | 37 nights | 22°F |
| Dallam County, TX | 62 km west | 138 nights | 51 nights | 20°F |
| Texas County, OK | 64 km northeast | 123 nights | 39 nights | 22°F |
| Hutchinson County, TX | 69 km southeast | 91 nights | 22 nights | 26°F |
| Cimarron County, OK | 76 km northwest | 136 nights | 49 nights | 20°F |
Sherman County within TX
Sherman County ranks 4 of 254 TX counties for nights below 20°F. The most is Lipscomb County, TX at 57 nights, with a 20°F average winter low. The fewest is Cameron County, TX: none, winter lows near 54°F. At 3,531 ft, Sherman County sits 2,538 ft above the state's median county elevation of 992 ft.
What to do here
- Treat it as a building fix, not a night-of routine: insulate, heat tape, seal crawlspace vents.
- An automatic leak shutoff pays for itself if one burst is avoided.
- Know where the main shutoff is before the first hard freeze.
The dates to be done by: when freeze season starts and ends.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Stratford, TX, 24 km away (fair 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.