S
M
T
W
T
F
S
29
44°
39°
30
46°
40°
1
46°
40°
2
45°
34°
3
40°
32°
4
38°
31°
5
38°
29°
6
37°
28°
7
36°
31°
8
37°
34°
9
41°
29°
10
36°
27°
11
35°
27°
12
36°
28°
13
35°
27°
14
36°
29°
15
38°
35°
16
42°
38°
17
44°
38°
18
44°
31°
19
39°
31°
20
38°
33°
21
45°
36°
22
45°
35°
23
43°
35°
24
40°
38°
25
45°
36°
26
45°
36°
27
44°
35°
28
43°
36°
29
43°
37°
30
46°
35°
31
45°
34°
1
43°
33°
2
42°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mendig
Mendig's December 2026 forecast shows daily high temperatures ranging from 35° to 46°, with overnight lows between 27° and 40°. The average high for December is 41° with an average low of 33°. 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 Mendig. See also: January | February | March.
