Will Pipes Freeze in Appanoose County, IA? 61 nights a Year
Freeze nights in Appanoose County
In a normal year Appanoose County, IA gets 61 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 72% 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 | 132 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 61 nights |
| Insulated pipe in unheated space | 10°F | 28 nights |
| Inside the heated house | 0°F | 10 nights |
Foam-sleeving a bare pipe in unheated space takes it from 61 nights of risk to 28 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 10/14, last around 04/28. For 20°F: 11/09 to 03/28.
How cold Appanoose County nights get
Average winter (Dec-Feb) low: 16°F; the coldest month, January, averages 12°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: 28 nights a year, and 10 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12°F | 16°F | 27°F | 37°F | 49°F | 60°F | 64°F | 61°F | 52°F | 41°F | 28°F | 18°F |
Appanoose County next to its neighbours
Monroe County, IA, 32 km north, gets 63 nights below 20°F to Appanoose County's 61 nights. Davis County, IA, 39 km east, gets 59 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Appanoose County, IA | - | 132 nights | 61 nights | 12°F |
| Monroe County, IA | 32 km north | 135 nights | 63 nights | 13°F |
| Putnam County, MO | 32 km south | 134 nights | 61 nights | 15°F |
| Wayne County, IA | 39 km west | 141 nights | 69 nights | 13°F |
| Davis County, IA | 39 km east | 128 nights | 59 nights | 15°F |
| Schuyler County, MO | 43 km southeast | 128 nights | 57 nights | 15°F |
| Lucas County, IA | 50 km northwest | 153 nights | 79 nights | 11°F |
Appanoose County within IA
Appanoose County ranks 90 of 99 IA counties for nights below 20°F. The most is Osceola County, IA at 99 nights, with a 8°F average winter low. The fewest is Des Moines County, IA: 52 nights, winter lows near 19°F. At 982 ft, Appanoose County sits 108 ft below the state's median county elevation of 1,090 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 Centerville, IA, 2 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. How a county figure is built from stations: how the numbers are made.