S
M
T
W
T
F
S
29
28°
18°
30
31°
20°
1
32°
18°
2
32°
15°
3
31°
14°
4
29°
11°
5
22°
12°
6
21°
14°
7
29°
14°
8
28°
13°
9
26°
12°
10
26°
5°
11
20°
3°
12
16°
3°
13
13°
9°
14
17°
11°
15
22°
9°
16
21°
-4°
17
20°
11°
18
23°
8°
19
23°
11°
20
25°
11°
21
24°
14°
22
28°
13°
23
28°
13°
24
25°
11°
25
27°
11°
26
24°
2°
27
23°
0°
28
17°
-2°
29
10°
-3°
30
21°
5°
31
27°
13°
1
Hist. Avg.
14°
2°
2
Hist. Avg.
14°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mertarvik
Mertarvik's December 2026 forecast shows daily high temperatures ranging from 10° to 32°, with overnight lows between -4° and 20°. The average high for December is 24° with an average low of 10°. 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 Mertarvik. See also: January | February | March.
