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