S
M
T
W
T
F
S
29
63°
48°
30
71°
49°
1
68°
46°
2
69°
53°
3
73°
49°
4
65°
45°
5
60°
49°
6
60°
50°
7
62°
44°
8
64°
51°
9
70°
51°
10
71°
45°
11
59°
38°
12
61°
45°
13
68°
49°
14
69°
52°
15
71°
51°
16
69°
51°
17
71°
50°
18
71°
50°
19
70°
49°
20
68°
43°
21
62°
49°
22
69°
50°
23
70°
48°
24
64°
45°
25
55°
36°
26
57°
38°
27
58°
38°
28
60°
37°
29
59°
37°
30
58°
38°
31
60°
36°
1
60°
45°
2
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Weimar
Weimar's December 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 36° and 53°. The average high for December is 65° with an average low of 46°. 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 Weimar. See also: January | February | March.