Will Pipes Freeze in Haywood County, TN? 12 nights a Year
Freeze nights in Haywood County
In a normal year Haywood County, TN gets 12 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 29% 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 | 67 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 12 nights |
| Insulated pipe in unheated space | 10°F | 2 nights |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 12 nights of risk to 2 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 11/05, last around 03/29. For 20°F: 12/19 to 02/15.
How cold Haywood County nights get
Average winter (Dec-Feb) low: 32°F; the coldest month, January, averages 30°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: 2 nights a year, and none below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°F | 33°F | 41°F | 50°F | 60°F | 68°F | 71°F | 70°F | 62°F | 50°F | 40°F | 33°F |
Haywood County next to its neighbours
Crockett County, TN, 29 km northeast, gets 13 nights below 20°F to Haywood County's 12 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Haywood County, TN | - | 67 nights | 12 nights | 30°F |
| Crockett County, TN | 29 km northeast | 70 nights | 13 nights | 29°F |
| Lauderdale County, TN | 37 km northwest | 68 nights | 14 nights | 29°F |
| Madison County, TN | 41 km east | 72 nights | 15 nights | 28°F |
| Tipton County, TN | 43 km west | 69 nights | 14 nights | 29°F |
| Fayette County, TN | 45 km south | 70 nights | 12 nights | 30°F |
| Hardeman County, TN | 49 km southeast | 75 nights | 15 nights | 28°F |
Haywood County within TN
Haywood County ranks 93 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 364 ft, Haywood County sits 504 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 Brownsville, TN, 2 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.