S
M
T
W
T
F
S
29
57°
49°
30
60°
40°
1
68°
38°
2
58°
36°
3
57°
33°
4
54°
37°
5
56°
42°
6
60°
46°
7
59°
47°
8
62°
43°
9
63°
40°
10
Hist. Avg.
60°
41°
11
Hist. Avg.
60°
40°
12
Hist. Avg.
60°
40°
13
Hist. Avg.
60°
40°
14
Hist. Avg.
59°
40°
15
Hist. Avg.
59°
40°
16
Hist. Avg.
59°
40°
17
Hist. Avg.
59°
39°
18
Hist. Avg.
58°
39°
19
Hist. Avg.
58°
39°
20
Hist. Avg.
58°
39°
21
Hist. Avg.
58°
39°
22
Hist. Avg.
58°
38°
23
Hist. Avg.
58°
38°
24
Hist. Avg.
58°
38°
25
Hist. Avg.
57°
38°
26
Hist. Avg.
57°
38°
27
Hist. Avg.
57°
38°
28
Hist. Avg.
57°
38°
29
Hist. Avg.
57°
38°
30
Hist. Avg.
57°
38°
31
Hist. Avg.
57°
38°
1
Hist. Avg.
57°
38°
2
Hist. Avg.
57°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Dallas
Dallas's December 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 33° and 49°. The average high for December is 59° with an average low of 41°. 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 Dallas. See also: January | February | March.
