S
M
T
W
T
F
S
29
59°
43°
30
61°
45°
1
63°
39°
2
54°
37°
3
61°
45°
4
64°
41°
5
54°
39°
6
52°
39°
7
50°
44°
8
55°
44°
9
59°
43°
10
61°
45°
11
63°
41°
12
49°
35°
13
50°
31°
14
48°
30°
15
48°
33°
16
47°
29°
17
48°
36°
18
54°
44°
19
58°
44°
20
60°
36°
21
46°
31°
22
49°
35°
23
55°
39°
24
53°
38°
25
47°
29°
26
46°
29°
27
49°
37°
28
51°
30°
29
52°
30°
30
49°
31°
31
50°
29°
1
50°
28°
2
49°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Fairburn
Fairburn's December 2026 forecast shows daily high temperatures ranging from 46° to 64°, with overnight lows between 28° and 45°. The average high for December is 53° with an average low of 37°. 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 Fairburn. See also: January | February | March.