Will Pipes Freeze in Mason County, TX? 5 nights a Year
Freeze nights in Mason County
In a normal year Mason 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 19% 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 | 50 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 11/13, last around 03/18. For 20°F: 12/31 to 01/27.
How cold Mason County nights get
Average winter (Dec-Feb) low: 36°F; the coldest month, January, averages 34°F overnight. 6 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 34°F | 38°F | 45°F | 52°F | 62°F | 68°F | 71°F | 70°F | 64°F | 53°F | 44°F | 36°F |
Mason County next to its neighbours
Kimble County, TX, 55 km southwest, gets 9 nights below 20°F to Mason County's 5 nights. Gillespie County, TX, 51 km southeast, gets 5 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Mason County, TX | - | 50 nights | 5 nights | 34°F |
| Gillespie County, TX | 51 km southeast | 42 nights | 5 nights | 34°F |
| Llano County, TX | 53 km east | 50 nights | 6 nights | 34°F |
| Kimble County, TX | 55 km southwest | 61 nights | 9 nights | 32°F |
| McCulloch County, TX | 57 km north | 44 nights | 5 nights | 35°F |
| Menard County, TX | 63 km west | 64 nights | 11 nights | 30°F |
| San Saba County, TX | 64 km northeast | 50 nights | 5 nights | 33°F |
Mason County within TX
Mason County ranks 118 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 1,780 ft, Mason County sits 787 ft above 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 Mason, TX, 5 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.