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