S
M
T
W
T
F
S
29
58°
41°
30
51°
32°
1
50°
31°
2
51°
36°
3
51°
45°
4
59°
41°
5
52°
36°
6
49°
31°
7
52°
36°
8
52°
36°
9
49°
32°
10
48°
30°
11
48°
33°
12
58°
43°
13
62°
42°
14
62°
29°
15
45°
28°
16
45°
29°
17
46°
29°
18
47°
30°
19
47°
31°
20
48°
28°
21
47°
30°
22
51°
39°
23
47°
32°
24
48°
29°
25
49°
39°
26
46°
40°
27
51°
39°
28
51°
30°
29
52°
31°
30
57°
34°
31
58°
42°
1
60°
41°
2
64°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Atlanta
Atlanta's December 2026 forecast shows daily high temperatures ranging from 45° to 64°, with overnight lows between 28° and 45°. The average high for December is 52° with an average low of 35°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Atlanta. See also: January | February | March.
