Will Pipes Freeze in Marion County, TX? 5 nights a Year
Freeze nights in Marion County
In a normal year Marion County, TX gets 5 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 18% of US counties.
Risk level: Occasional. The risk season runs December to February, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 54 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 5 nights |
| Insulated pipe in unheated space | 10°F | under 1 night |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 5 nights of risk to under 1 night. 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 03/18. For 20°F: 12/26 to 01/26.
How cold Marion County nights get
Average winter (Dec-Feb) low: 36°F; the coldest month, January, averages 34°F overnight. 7 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Oct, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 34°F | 37°F | 44°F | 52°F | 61°F | 69°F | 72°F | 71°F | 64°F | 52°F | 42°F | 35°F |
Marion County next to its neighbours
Harrison County, TX, 28 km south, gets 3 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Marion County, TX | - | 54 nights | 5 nights | 34°F |
| Harrison County, TX | 28 km south | 40 nights | 3 nights | 33°F |
| Cass County, TX | 32 km north | 52 nights | 5 nights | 34°F |
| Morris County, TX | 50 km northwest | 46 nights | 5 nights | 33°F |
| Caddo Parish, LA | 50 km southeast | 30 nights | 2 nights | 37°F |
| Upshur County, TX | 55 km west | 48 nights | 4 nights | 34°F |
| Gregg County, TX | 55 km southwest | 41 nights | 3 nights | 35°F |
Marion County within TX
Marion County ranks 122 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 217 ft, Marion County sits 776 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.
Few hard nights means pipes are rarely built for them; see freezes in warm places.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Jefferson, TX, 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.