Will Pipes Freeze in Logan County, OH? 51 nights a Year
Freeze nights in Logan County
In a normal year Logan County, OH gets 51 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 65% 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 | 127 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 51 nights |
| Insulated pipe in unheated space | 10°F | 19 nights |
| Inside the heated house | 0°F | 7 nights |
Foam-sleeving a bare pipe in unheated space takes it from 51 nights of risk to 19 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 10/20, last around 04/26. For 20°F: 11/20 to 03/25.
How cold Logan County nights get
Average winter (Dec-Feb) low: 20°F; the coldest month, January, averages 18°F overnight. 7 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, December: 19 nights a year, and 7 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18°F | 20°F | 29°F | 39°F | 51°F | 60°F | 63°F | 61°F | 54°F | 43°F | 32°F | 24°F |
Logan County next to its neighbours
Champaign County, OH, 28 km south, gets 45 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Logan County, OH | - | 127 nights | 51 nights | 18°F |
| Champaign County, OH | 28 km south | 121 nights | 45 nights | 19°F |
| Hardin County, OH | 32 km north | 124 nights | 49 nights | 18°F |
| Union County, OH | 35 km east | 115 nights | 41 nights | 20°F |
| Shelby County, OH | 38 km west | 131 nights | 50 nights | 18°F |
| Auglaize County, OH | 43 km northwest | 118 nights | 44 nights | 19°F |
| Allen County, OH | 51 km northwest | 120 nights | 46 nights | 19°F |
Logan County within OH
Logan County ranks 15 of 88 OH counties for nights below 20°F. The most is Williams County, OH at 61 nights, with a 19°F average winter low. The fewest is Scioto County, OH: 28 nights, winter lows near 24°F. At 1,248 ft, Logan County sits 332 ft above the state's median county elevation of 916 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 Bellefontaine, OH, 4 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.