S
M
T
W
T
F
S
29
59°
31°
30
54°
21°
1
44°
20°
2
46°
27°
3
55°
30°
4
51°
27°
5
44°
22°
6
45°
19°
7
42°
17°
8
42°
20°
9
48°
28°
10
52°
28°
11
52°
27°
12
55°
28°
13
52°
27°
14
49°
22°
15
46°
22°
16
51°
16°
17
44°
15°
18
43°
14°
19
44°
15°
20
42°
18°
21
44°
19°
22
44°
16°
23
45°
19°
24
47°
16°
25
44°
20°
26
49°
22°
27
52°
21°
28
49°
15°
29
44°
19°
30
45°
14°
31
44°
14°
1
43°
19°
2
45°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dalhart
Dalhart's December 2026 forecast shows daily high temperatures ranging from 42° to 59°, with overnight lows between 14° and 31°. The average high for December is 47° with an average low of 21°. 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 Dalhart. See also: January | February | March.
