Will Pipes Freeze in Montmorency County, MI? 94 nights a Year
Freeze nights in Montmorency County
In a normal year Montmorency County, MI 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 89% 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 | 192 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 94 nights |
| Insulated pipe in unheated space | 10°F | 51 nights |
| Inside the heated house | 0°F | 25 nights |
Foam-sleeving a bare pipe in unheated space takes it from 94 nights of risk to 51 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 09/27, last around 05/22. For 20°F: 11/10 to 04/13.
How cold Montmorency County nights get
Average winter (Dec-Feb) low: 13°F; the coldest month, February, averages 9°F overnight. 10 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Jun, 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: 51 nights a year, and 25 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10°F | 9°F | 17°F | 29°F | 40°F | 50°F | 55°F | 53°F | 45°F | 36°F | 28°F | 19°F |
Montmorency County next to its neighbours
Otsego County, MI, 35 km west, gets 87 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Montmorency County, MI | - | 192 nights | 94 nights | 10°F |
| Otsego County, MI | 35 km west | 173 nights | 87 nights | 10°F |
| Oscoda County, MI | 37 km south | 177 nights | 83 nights | 11°F |
| Crawford County, MI | 54 km southwest | 184 nights | 93 nights | 10°F |
| Alpena County, MI | 57 km east | 156 nights | 73 nights | 13°F |
| Cheboygan County, MI | 58 km northwest | 170 nights | 82 nights | 11°F |
| Presque Isle County, MI | 60 km northeast | 164 nights | 80 nights | 12°F |
Montmorency County within MI
Montmorency County ranks 12 of 83 MI counties for nights below 20°F. The most is Iron County, MI at 120 nights, with a 3°F average winter low. The fewest is Allegan County, MI: 38 nights, winter lows near 24°F. At 942 ft, Montmorency County sits 135 ft above the state's median county elevation of 808 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 Atlanta, MI, 2 km away (close 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.