Will Pipes Freeze in Linn County, KS? 47 nights a Year
Freeze nights in Linn County
In a normal year Linn County, KS gets 47 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 62% of US counties.
Risk level: Severe. The risk season runs November to March, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 120 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 47 nights |
| Insulated pipe in unheated space | 10°F | 16 nights |
| Inside the heated house | 0°F | 3 nights |
Foam-sleeving a bare pipe in unheated space takes it from 47 nights of risk to 16 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 10/23, last around 04/13. For 20°F: 11/23 to 03/10.
How cold Linn County nights get
Average winter (Dec-Feb) low: 22°F; the coldest month, January, averages 19°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: 16 nights a year, and 3 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 19°F | 23°F | 32°F | 42°F | 54°F | 64°F | 68°F | 66°F | 57°F | 45°F | 33°F | 24°F |
Linn County next to its neighbours
Miami County, KS, 39 km north, gets 38 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Linn County, KS | - | 120 nights | 47 nights | 19°F |
| Miami County, KS | 39 km north | 108 nights | 38 nights | 19°F |
| Anderson County, KS | 39 km west | 108 nights | 38 nights | 20°F |
| Bourbon County, KS | 40 km south | 107 nights | 37 nights | 21°F |
| Bates County, MO | 44 km east | 111 nights | 39 nights | 20°F |
| Franklin County, KS | 54 km northwest | 111 nights | 39 nights | 18°F |
| Allen County, KS | 54 km southwest | 107 nights | 36 nights | 21°F |
Linn County within KS
Linn County ranks 60 of 105 KS counties for nights below 20°F. The most is Rawlins County, KS at 83 nights, with a 16°F average winter low. The fewest is Cherokee County, KS: 27 nights, winter lows near 26°F. At 864 ft, Linn County sits 661 ft below the state's median county elevation of 1,526 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 Mound City, KS, 8 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.