Will Pipes Freeze in Henry County, OH? 54 nights a Year
Freeze nights in Henry County
In a normal year Henry County, OH gets 54 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 68% 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 | 129 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 54 nights |
| Insulated pipe in unheated space | 10°F | 22 nights |
| Inside the heated house | 0°F | 7 nights |
Foam-sleeving a bare pipe in unheated space takes it from 54 nights of risk to 22 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 10/21, last around 04/24. For 20°F: 11/24 to 03/25.
How cold Henry County nights get
Average winter (Dec-Feb) low: 20°F; the coldest month, January, averages 17°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, December: 22 nights a year, and 7 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 17°F | 19°F | 27°F | 38°F | 50°F | 60°F | 63°F | 61°F | 53°F | 43°F | 32°F | 24°F |
Henry County next to its neighbours
Fulton County, OH, 30 km north, gets 56 nights below 20°F to Henry County's 54 nights. Putnam County, OH, 35 km south, gets 47 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Henry County, OH | - | 129 nights | 54 nights | 17°F |
| Fulton County, OH | 30 km north | 139 nights | 56 nights | 16°F |
| Putnam County, OH | 35 km south | 124 nights | 47 nights | 19°F |
| Defiance County, OH | 35 km west | 125 nights | 48 nights | 18°F |
| Wood County, OH | 37 km east | 127 nights | 50 nights | 19°F |
| Paulding County, OH | 49 km southwest | 136 nights | 56 nights | 17°F |
| Hancock County, OH | 50 km southeast | 117 nights | 43 nights | 20°F |
Henry County within OH
Henry County ranks 10 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 684 ft, Henry County sits 232 ft below 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 Napoleon, OH, 8 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.