Will Pipes Freeze in Bullitt County, KY? 25 nights a Year
Freeze nights in Bullitt County
In a normal year Bullitt County, KY gets 25 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 41% 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 | 89 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 25 nights |
| Insulated pipe in unheated space | 10°F | 7 nights |
| Inside the heated house | 0°F | under 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 25 nights of risk to 7 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 10/25, last around 04/18. For 20°F: 11/26 to 03/10.
How cold Bullitt County nights get
Average winter (Dec-Feb) low: 28°F; the coldest month, January, averages 26°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, December: 7 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 26°F | 29°F | 36°F | 46°F | 56°F | 63°F | 67°F | 66°F | 58°F | 47°F | 37°F | 30°F |
Bullitt County next to its neighbours
Nelson County, KY, 28 km southeast, gets 26 nights below 20°F to Bullitt County's 25 nights. Jefferson County, KY, 25 km north, gets 20 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Bullitt County, KY | - | 89 nights | 25 nights | 26°F |
| Jefferson County, KY | 25 km north | 78 nights | 20 nights | 27°F |
| Nelson County, KY | 28 km southeast | 90 nights | 26 nights | 26°F |
| Spencer County, KY | 34 km east | 109 nights | 37 nights | 22°F |
| Hardin County, KY | 38 km southwest | 99 nights | 30 nights | 24°F |
| Harrison County, IN | 43 km northwest | 92 nights | 27 nights | 25°F |
| Floyd County, IN | 43 km northwest | 77 nights | 19 nights | 27°F |
Bullitt County within KY
Bullitt County ranks 89 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. The fewest is Lyon County, KY: 15 nights, winter lows near 32°F. At 473 ft, Bullitt County sits 323 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.
Why 20°F is the line for a garage pipe: how cold before pipes freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Bernheim Forest, KY, 7 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.