Will Pipes Freeze in Lyon County, KY? 15 nights a Year
Freeze nights in Lyon County
In a normal year Lyon County, KY gets 15 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 32% of US counties.
Risk level: Regular. 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 | 59 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 15 nights |
| Insulated pipe in unheated space | 10°F | 3 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 15 nights of risk to 3 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 11/08, last around 03/27. For 20°F: 12/12 to 02/20.
How cold Lyon County nights get
Average winter (Dec-Feb) low: 32°F; the coldest month, January, averages 30°F overnight. 6 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, December: 3 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°F | 33°F | 41°F | 50°F | 59°F | 67°F | 71°F | 70°F | 62°F | 52°F | 41°F | 34°F |
Lyon County next to its neighbours
Caldwell County, KY, 23 km northeast, gets 21 nights below 20°F to Lyon County's 15 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Lyon County, KY | - | 59 nights | 15 nights | 30°F |
| Caldwell County, KY | 23 km northeast | 78 nights | 21 nights | 27°F |
| Marshall County, KY | 27 km southwest | 101 nights | 33 nights | 24°F |
| Trigg County, KY | 31 km southeast | 74 nights | 19 nights | 28°F |
| Livingston County, KY | 32 km northwest | 82 nights | 22 nights | 26°F |
| Crittenden County, KY | 37 km north | 93 nights | 28 nights | 25°F |
| Calloway County, KY | 48 km south | 71 nights | 15 nights | 27°F |
Lyon County within KY
Lyon County ranks 120 of 120 KY counties for nights below 20°F. The most is Shelby County, KY at 55 nights, with a 22°F average winter low. At 450 ft, Lyon County sits 346 ft below the state's median county elevation of 797 ft.
What to do here
- Insulate every pipe in unheated space before the season starts.
- Heat tape on the runs you cannot insulate well.
- Shut off and drain outdoor spigots for the season.
When to have the house ready: when freeze season starts.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Eddyville (5 mi S), KY, 3 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.