Will Pipes Freeze in Harris County, GA? 3 nights a Year
Freeze nights in Harris County
In a normal year Harris County, GA gets 3 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 12% of US counties.
Risk level: Occasional. The risk season runs January to January, 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 | 3 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 3 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 11/18, last around 03/21. For 20°F: 01/05 to 01/31.
How cold Harris County nights get
Average winter (Dec-Feb) low: 37°F; the coldest month, January, averages 35°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 35°F | 38°F | 44°F | 51°F | 60°F | 68°F | 71°F | 71°F | 65°F | 54°F | 44°F | 38°F |
Harris County next to its neighbours
Troup County, GA, 35 km north, gets 6 nights below 20°F to Harris County's 3 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Harris County, GA | - | 41 nights | 3 nights | 35°F |
| Muscogee County, GA | 25 km south | 38 nights | 3 nights | 36°F |
| Troup County, GA | 35 km north | 57 nights | 6 nights | 34°F |
| Talbot County, GA | 36 km east | 54 nights | 6 nights | 32°F |
| Meriwether County, GA | 40 km northeast | 54 nights | 5 nights | 34°F |
| Lee County, AL | 44 km west | 53 nights | 5 nights | 34°F |
| Chattahoochee County, GA | 44 km south | 47 nights | 5 nights | 34°F |
Harris County within GA
Harris County ranks 105 of 159 GA counties for nights below 20°F. The most is Union County, GA at 28 nights, with a 27°F average winter low. The fewest is Glynn County, GA: under 1 night, winter lows near 46°F. At 632 ft, Harris County sits 212 ft above the state's median county elevation of 420 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 Mulberry Grove, GA, 21 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.