S
M
T
W
T
F
S
29
63°
45°
30
69°
45°
1
68°
46°
2
68°
45°
3
66°
40°
4
56°
36°
5
61°
41°
6
62°
42°
7
63°
39°
8
56°
38°
9
54°
37°
10
54°
34°
11
53°
30°
12
53°
31°
13
57°
31°
14
56°
30°
15
55°
40°
16
57°
39°
17
67°
40°
18
63°
41°
19
62°
30°
20
61°
25°
21
54°
26°
22
51°
30°
23
53°
32°
24
62°
27°
25
62°
26°
26
51°
28°
27
52°
26°
28
52°
27°
29
53°
35°
30
55°
37°
31
65°
26°
1
64°
24°
2
51°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ulmer
Ulmer's December 2026 forecast shows daily high temperatures ranging from 51° to 69°, with overnight lows between 23° and 46°. The average high for December is 59° with an average low of 34°. 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 Ulmer. See also: January | February | March.
