Will Pipes Freeze in Trousdale County, TN? 20 nights a Year
Freeze nights in Trousdale County
In a normal year Trousdale County, TN gets 20 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 36% 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 | 82 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 20 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 20 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 10/26, last around 04/12. For 20°F: 12/01 to 03/04.
How cold Trousdale County nights get
Average winter (Dec-Feb) low: 29°F; the coldest month, January, averages 27°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: 3 nights a year, and under 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27°F | 30°F | 36°F | 45°F | 54°F | 62°F | 66°F | 65°F | 59°F | 46°F | 36°F | 31°F |
Trousdale County next to its neighbours
Sumner County, TN, 28 km west, gets 23 nights below 20°F to Trousdale County's 20 nights. Macon County, TN, 21 km northeast, gets 19 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Trousdale County, TN | - | 82 nights | 20 nights | 27°F |
| Macon County, TN | 21 km northeast | 75 nights | 19 nights | 27°F |
| Smith County, TN | 24 km southeast | 86 nights | 18 nights | 27°F |
| Sumner County, TN | 28 km west | 86 nights | 23 nights | 27°F |
| Wilson County, TN | 30 km southwest | 93 nights | 25 nights | 27°F |
| Allen County, KY | 40 km north | 79 nights | 22 nights | 26°F |
| Jackson County, TN | 43 km east | 102 nights | 29 nights | 24°F |
Trousdale County within TN
Trousdale County ranks 50 of 95 TN counties for nights below 20°F. The most is Johnson County, TN at 41 nights, with a 25°F average winter low. The fewest is Hamilton County, TN: 9 nights, winter lows near 34°F. At 476 ft, Trousdale County sits 391 ft below the state's median county elevation of 867 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 Hartsville, TN, 3 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.