Will Pipes Freeze in Murray County, MN? 97 nights a Year
Freeze nights in Murray County
In a normal year Murray County, MN gets 97 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 91% of US counties.
Risk level: Severe. The risk season runs October to April, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 168 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 97 nights |
| Insulated pipe in unheated space | 10°F | 57 nights |
| Inside the heated house | 0°F | 31 nights |
Foam-sleeving a bare pipe in unheated space takes it from 97 nights of risk to 57 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 09/29, last around 05/07. For 20°F: 10/30 to 04/08.
How cold Murray County nights get
Average winter (Dec-Feb) low: 8°F; the coldest month, January, averages 4°F overnight. 9 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Sep, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, November, December: 57 nights a year, and 31 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4°F | 9°F | 20°F | 32°F | 45°F | 56°F | 60°F | 58°F | 49°F | 36°F | 22°F | 11°F |
Murray County next to its neighbours
Pipestone County, MN, 40 km west, gets 104 nights below 20°F to Murray County's 97 nights. Lyon County, MN, 44 km north, gets 93 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Murray County, MN | - | 168 nights | 97 nights | 4°F |
| Nobles County, MN | 38 km south | 168 nights | 97 nights | 5°F |
| Pipestone County, MN | 40 km west | 173 nights | 104 nights | 5°F |
| Lyon County, MN | 44 km north | 158 nights | 93 nights | 4°F |
| Cottonwood County, MN | 46 km east | 164 nights | 95 nights | 7°F |
| Rock County, MN | 56 km southwest | 165 nights | 94 nights | 7°F |
| Redwood County, MN | 59 km northeast | 163 nights | 94 nights | 5°F |
Murray County within MN
Murray County ranks 55 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 1,578 ft, Murray County sits 464 ft above 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 Lake Wilson, MN, 15 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.