S
M
T
W
T
F
S
29
53°
39°
30
54°
39°
1
57°
41°
2
56°
42°
3
59°
43°
4
45°
37°
5
60°
32°
6
62°
29°
7
47°
27°
8
46°
26°
9
47°
23°
10
45°
21°
11
40°
22°
12
40°
24°
13
41°
24°
14
43°
27°
15
43°
32°
16
47°
35°
17
57°
28°
18
57°
27°
19
45°
26°
20
44°
25°
21
43°
23°
22
42°
22°
23
42°
25°
24
44°
36°
25
52°
40°
26
56°
35°
27
58°
30°
28
55°
27°
29
46°
30°
30
47°
32°
31
47°
29°
1
48°
27°
2
46°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dahlgren
Dahlgren's December 2026 forecast shows daily high temperatures ranging from 40° to 62°, with overnight lows between 21° and 43°. The average high for December is 49° with an average low of 30°. 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 Dahlgren. See also: January | February | March.
