S
M
T
W
T
F
S
29
33°
22°
30
33°
20°
1
34°
24°
2
34°
28°
3
35°
29°
4
39°
30°
5
38°
32°
6
42°
31°
7
40°
30°
8
35°
28°
9
33°
26°
10
32°
25°
11
42°
28°
12
40°
25°
13
42°
18°
14
31°
16°
15
29°
19°
16
30°
18°
17
28°
22°
18
32°
26°
19
33°
28°
20
39°
28°
21
40°
27°
22
40°
28°
23
39°
28°
24
43°
23°
25
42°
17°
26
38°
14°
27
26°
20°
28
29°
26°
29
37°
25°
30
38°
29°
31
41°
30°
1
40°
25°
2
41°
17°
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 26° to 43°, with overnight lows between 14° and 32°. The average high for December is 36° with an average low of 25°. 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.