S
M
T
W
T
F
S
29
61°
37°
30
62°
34°
1
62°
39°
2
60°
39°
3
57°
38°
4
56°
40°
5
57°
37°
6
55°
35°
7
56°
38°
8
55°
37°
9
57°
38°
10
56°
34°
11
55°
38°
12
56°
38°
13
58°
37°
14
58°
34°
15
57°
34°
16
56°
37°
17
57°
33°
18
52°
32°
19
52°
30°
20
50°
29°
21
51°
29°
22
51°
33°
23
52°
29°
24
52°
29°
25
50°
28°
26
49°
28°
27
50°
27°
28
51°
30°
29
53°
31°
30
53°
32°
31
57°
31°
1
54°
28°
2
53°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lucerne
Lucerne's December 2026 forecast shows daily high temperatures ranging from 49° to 62°, with overnight lows between 27° and 40°. The average high for December is 55° 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 Lucerne. See also: January | February | March.
