S
M
T
W
T
F
S
29
45°
32°
30
48°
34°
1
49°
33°
2
48°
34°
3
50°
32°
4
47°
31°
5
47°
30°
6
45°
31°
7
48°
30°
8
41°
28°
9
38°
27°
10
38°
25°
11
37°
29°
12
38°
25°
13
39°
24°
14
39°
18°
15
34°
19°
16
33°
21°
17
34°
20°
18
33°
27°
19
41°
26°
20
43°
21°
21
37°
19°
22
33°
19°
23
32°
17°
24
34°
22°
25
36°
17°
26
41°
12°
27
32°
13°
28
27°
14°
29
31°
12°
30
30°
17°
31
32°
23°
1
44°
18°
2
41°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Auburn
Auburn's December 2026 forecast shows daily high temperatures ranging from 27° to 50°, with overnight lows between 12° and 34°. The average high for December is 39° with an average low of 23°. 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 Auburn. See also: January | February | March.