Will Pipes Freeze in Sibley County, MN? 94 nights a Year
Freeze nights in Sibley County
In a normal year Sibley County, MN gets 94 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 90% 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 | 161 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 94 nights |
| Insulated pipe in unheated space | 10°F | 59 nights |
| Inside the heated house | 0°F | 30 nights |
Foam-sleeving a bare pipe in unheated space takes it from 94 nights of risk to 59 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 10/15, last around 04/24. For 20°F: 11/10 to 03/31.
How cold Sibley County nights get
Average winter (Dec-Feb) low: 9°F; the coldest month, January, averages 6°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: 59 nights a year, and 30 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6°F | 9°F | 22°F | 35°F | 48°F | 59°F | 63°F | 60°F | 51°F | 38°F | 25°F | 13°F |
Sibley County next to its neighbours
McLeod County, MN, 28 km north, gets 96 nights below 20°F to Sibley County's 94 nights. Nicollet County, MN, 24 km south, gets 93 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Sibley County, MN | - | 161 nights | 94 nights | 6°F |
| Nicollet County, MN | 24 km south | 162 nights | 93 nights | 5°F |
| McLeod County, MN | 28 km north | 163 nights | 96 nights | 4°F |
| Carver County, MN | 44 km northeast | 160 nights | 94 nights | 5°F |
| Le Sueur County, MN | 46 km southeast | 163 nights | 93 nights | 4°F |
| Brown County, MN | 54 km southwest | 163 nights | 93 nights | 5°F |
| Scott County, MN | 56 km east | 160 nights | 92 nights | 5°F |
Sibley County within MN
Sibley County ranks 60 of 87 MN counties for nights below 20°F. The most is St. Louis County, MN at 130 nights, with a 0°F average winter low. The fewest is Winona County, MN: 81 nights, winter lows near 12°F. At 1,010 ft, Sibley County sits 105 ft below the state's median county elevation of 1,114 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 Gaylord, MN, 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.