S
M
T
W
T
F
S
29
61°
43°
30
60°
45°
1
61°
54°
2
68°
57°
3
71°
58°
4
74°
55°
5
75°
55°
6
73°
54°
7
75°
46°
8
72°
48°
9
61°
51°
10
63°
54°
11
72°
55°
12
74°
56°
13
74°
57°
14
73°
49°
15
75°
42°
16
72°
41°
17
59°
43°
18
60°
44°
19
60°
44°
20
59°
51°
21
63°
54°
22
72°
48°
23
70°
42°
24
64°
41°
25
58°
44°
26
60°
52°
27
67°
48°
28
67°
48°
29
59°
43°
30
59°
39°
31
58°
37°
1
56°
39°
2
55°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dickinson
Dickinson's December 2026 forecast shows daily high temperatures ranging from 55° to 75°, with overnight lows between 37° and 58°. The average high for December is 66° with an average low of 48°. 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 Dickinson. See also: January | February | March.