Will Pipes Freeze in Nacogdoches County, TX? 2 nights a Year
Freeze nights in Nacogdoches County
In a normal year Nacogdoches County, TX gets 2 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 10% of US counties.
Risk level: Occasional. The risk season runs January to February, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 41 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 2 nights |
| Insulated pipe in unheated space | 10°F | none |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 2 nights of risk to none. 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 11/17, last around 03/13. For 20°F: 01/03 to 01/25.
How cold Nacogdoches County nights get
Average winter (Dec-Feb) low: 38°F; the coldest month, January, averages 36°F overnight. 5 months normally bring at least one night below 32°F (Jan, Feb, Mar, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 36°F | 40°F | 46°F | 53°F | 63°F | 71°F | 74°F | 73°F | 67°F | 56°F | 45°F | 38°F |
Nacogdoches County next to its neighbours
Shelby County, TX, 49 km northeast, gets 3 nights below 20°F to Nacogdoches County's 2 nights. Angelina County, TX, 41 km south, gets 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Nacogdoches County, TX | - | 41 nights | 2 nights | 36°F |
| Angelina County, TX | 41 km south | 33 nights | 1 night | 37°F |
| Shelby County, TX | 49 km northeast | 42 nights | 3 nights | 36°F |
| San Augustine County, TX | 51 km southeast | 37 nights | 2 nights | 36°F |
| Rusk County, TX | 56 km north | 40 nights | 3 nights | 36°F |
| Cherokee County, TX | 56 km northwest | 29 nights | 2 nights | 37°F |
| Panola County, TX | 67 km northeast | 39 nights | 2 nights | 36°F |
Nacogdoches County within TX
Nacogdoches County ranks 170 of 254 TX counties for nights below 20°F. The most is Lipscomb County, TX at 57 nights, with a 20°F average winter low. The fewest is Cameron County, TX: none, winter lows near 54°F. At 411 ft, Nacogdoches County sits 582 ft below the state's median county elevation of 992 ft.
What to do here
- Keep a night-of routine: drip, open cabinets, keep the heat at 55F or above.
- Foam-sleeve any pipe in the garage or crawlspace once; it is cheap and lasts years.
Which pipe gets which threshold: the 32, 20, 10 and 0 rule.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Nacogdoches, TX, 2 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.