S
M
T
W
T
F
S
29
37°
28°
30
37°
27°
1
38°
28°
2
38°
27°
3
36°
27°
4
37°
26°
5
35°
22°
6
34°
20°
7
31°
18°
8
26°
19°
9
25°
23°
10
31°
25°
11
34°
25°
12
34°
24°
13
33°
24°
14
34°
23°
15
34°
24°
16
33°
23°
17
34°
22°
18
31°
21°
19
30°
20°
20
30°
21°
21
32°
22°
22
37°
25°
23
31°
22°
24
32°
25°
25
35°
25°
26
Hist. Avg.
25°
15°
27
Hist. Avg.
24°
15°
28
Hist. Avg.
24°
14°
29
Hist. Avg.
24°
14°
30
Hist. Avg.
24°
14°
31
Hist. Avg.
24°
14°
1
Hist. Avg.
23°
14°
2
Hist. Avg.
23°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Anjalankoski
Anjalankoski's December 2026 forecast shows daily high temperatures ranging from 25° to 38°, with overnight lows between 18° and 28°. The average high for December is 33° with an average low of 24°. 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 Anjalankoski. See also: January | February | March.