Will Pipes Freeze in Rockdale County, GA? 7 nights a Year
Freeze nights in Rockdale County
In a normal year Rockdale County, GA gets 7 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 22% 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 | 62 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 7 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 7 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 11/14, last around 03/22. For 20°F: 01/01 to 01/30.
How cold Rockdale County nights get
Average winter (Dec-Feb) low: 34°F; the coldest month, January, averages 33°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 33°F | 35°F | 42°F | 49°F | 58°F | 66°F | 70°F | 70°F | 63°F | 51°F | 40°F | 35°F |
Rockdale County next to its neighbours
Newton County, GA, 20 km southeast, gets 8 nights below 20°F to Rockdale County's 7 nights. DeKalb County, GA, 23 km northwest, gets 4 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Rockdale County, GA | - | 62 nights | 7 nights | 33°F |
| Newton County, GA | 20 km southeast | 63 nights | 8 nights | 33°F |
| DeKalb County, GA | 23 km northwest | 47 nights | 4 nights | 34°F |
| Henry County, GA | 25 km southwest | 62 nights | 7 nights | 32°F |
| Walton County, GA | 31 km northeast | 60 nights | 7 nights | 33°F |
| Gwinnett County, GA | 34 km north | 57 nights | 6 nights | 32°F |
| Clayton County, GA | 37 km west | 46 nights | 5 nights | 33°F |
Rockdale County within GA
Rockdale County ranks 35 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 857 ft, Rockdale County sits 436 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 Covington, GA, 18 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. Why elevation is part of the blend: how county numbers are made.