S
M
T
W
T
F
S
29
57°
37°
30
58°
36°
1
55°
38°
2
58°
34°
3
45°
31°
4
51°
28°
5
57°
36°
6
57°
35°
7
44°
28°
8
42°
23°
9
42°
22°
10
41°
24°
11
40°
28°
12
41°
26°
13
43°
24°
14
41°
21°
15
40°
27°
16
42°
31°
17
44°
33°
18
49°
29°
19
48°
21°
20
42°
20°
21
40°
20°
22
38°
21°
23
41°
27°
24
40°
23°
25
40°
20°
26
38°
17°
27
37°
19°
28
36°
17°
29
37°
19°
30
38°
25°
31
44°
20°
1
46°
17°
2
37°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Sitka
Sitka's December 2026 forecast shows daily high temperatures ranging from 36° to 58°, with overnight lows between 14° and 38°. The average high for December is 44° 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 Sitka. See also: January | February | March.
