S
M
T
W
T
F
S
30
50°
31°
1
56°
42°
2
52°
34°
3
52°
30°
4
49°
32°
5
54°
31°
6
54°
46°
7
59°
45°
8
57°
47°
9
59°
51°
10
55°
41°
11
55°
40°
12
53°
34°
13
53°
29°
14
54°
40°
15
54°
49°
16
51°
30°
17
53°
29°
18
55°
46°
19
53°
38°
20
50°
37°
21
51°
42°
22
52°
45°
23
49°
43°
24
43°
35°
25
41°
35°
26
41°
34°
27
46°
34°
28
45°
42°
29
42°
32°
30
44°
26°
31
31°
23°
1
46°
23°
2
42°
29°
3
40°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mells
Mells's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Mells. See also: January | February | March.