S
M
T
W
T
F
S
29
0°
-18°
30
-1°
-19°
1
-3°
-19°
2
-6°
-18°
3
-6°
-17°
4
-3°
-12°
5
-1°
-11°
6
-1°
-14°
7
0°
-17°
8
-1°
-18°
9
-4°
-18°
10
-5°
-16°
11
-3°
-16°
12
-2°
-2°
13
15°
-3°
14
15°
-14°
15
14°
-2°
16
10°
0°
17
8°
-3°
18
10°
-4°
19
10°
-4°
20
9°
-6°
21
9°
-5°
22
8°
-5°
23
8°
-10°
24
7°
-12°
25
6°
-9°
26
5°
-11°
27
5°
-20°
28
-1°
-21°
29
-11°
-13°
30
-4°
-11°
31
1°
-11°
1
3°
-12°
2
2°
-12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Fairbanks
Fairbanks's December 2026 forecast shows daily high temperatures ranging from -11° to 15°, with overnight lows between -21° and -0°. The average high for December is 3° with an average low of -12°. 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 Fairbanks. See also: January | February | March.
