Will Pipes Freeze in Sheboygan County, WI? 66 nights a Year
Freeze nights in Sheboygan County
In a normal year Sheboygan County, WI gets 66 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 75% 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 | 135 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 66 nights |
| Insulated pipe in unheated space | 10°F | 29 nights |
| Inside the heated house | 0°F | 10 nights |
Foam-sleeving a bare pipe in unheated space takes it from 66 nights of risk to 29 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 10/23, last around 04/25. For 20°F: 11/22 to 03/26.
How cold Sheboygan County nights get
Average winter (Dec-Feb) low: 17°F; the coldest month, January, averages 14°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: 29 nights a year, and 10 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 14°F | 17°F | 26°F | 36°F | 46°F | 55°F | 62°F | 61°F | 54°F | 42°F | 31°F | 21°F |
Sheboygan County next to its neighbours
Ozaukee County, WI, 28 km south, gets 76 nights below 20°F to Sheboygan County's 66 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Sheboygan County, WI | - | 135 nights | 66 nights | 14°F |
| Ozaukee County, WI | 28 km south | 153 nights | 76 nights | 11°F |
| Manitowoc County, WI | 48 km north | 140 nights | 69 nights | 12°F |
| Calumet County, WI | 54 km northwest | 156 nights | 81 nights | 10°F |
| Washington County, WI | 56 km southwest | 157 nights | 79 nights | 10°F |
| Fond du Lac County, WI | 61 km west | 143 nights | 71 nights | 11°F |
| Winnebago County, WI | 84 km northwest | 146 nights | 77 nights | 10°F |
Sheboygan County within WI
Sheboygan County ranks 68 of 72 WI counties for nights below 20°F. The most is Vilas County, WI at 116 nights, with a 4°F average winter low. The fewest is Racine County, WI: 55 nights, winter lows near 19°F. At 665 ft, Sheboygan County sits 331 ft below the state's median county elevation of 995 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 Sheboygan, WI, 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.