Will Pipes Freeze in Tattnall County, GA? 2 nights a Year
Freeze nights in Tattnall County
In a normal year Tattnall County, GA 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 9% of US counties.
Risk level: Rare. 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 | 31 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 11/24, last around 03/09. For 20°F: 01/09 to 01/21.
How cold Tattnall County nights get
Average winter (Dec-Feb) low: 39°F; the coldest month, January, averages 38°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 38°F | 40°F | 46°F | 52°F | 61°F | 68°F | 71°F | 71°F | 66°F | 55°F | 46°F | 40°F |
Tattnall County next to its neighbours
Appling County, GA, 40 km southwest, gets 3 nights below 20°F to Tattnall County's 2 nights. Candler County, GA, 40 km north, gets under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Tattnall County, GA | - | 31 nights | 2 nights | 38°F |
| Evans County, GA | 20 km northeast | 28 nights | 1 night | 38°F |
| Toombs County, GA | 27 km west | 34 nights | 2 nights | 38°F |
| Candler County, GA | 40 km north | 24 nights | under 1 night | 39°F |
| Appling County, GA | 40 km southwest | 36 nights | 3 nights | 39°F |
| Long County, GA | 44 km southeast | 27 nights | 1 night | 39°F |
| Montgomery County, GA | 47 km west | 33 nights | 2 nights | 38°F |
Tattnall County within GA
Tattnall County ranks 123 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 186 ft, Tattnall County sits 234 ft below the state's median county elevation of 420 ft.
What to do here
- Watch the forecast for a sub-threshold night.
- That night: drip the faucet on an outside wall, open the sink cabinet.
Why rare cold catches people out - freezes in places that rarely freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Glennville (3 mi NW), GA, 12 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.