S
M
T
W
T
F
S
29
53°
39°
30
60°
33°
1
60°
30°
2
49°
26°
3
49°
27°
4
46°
36°
5
49°
37°
6
56°
41°
7
58°
38°
8
59°
34°
9
59°
28°
10
48°
26°
11
46°
31°
12
51°
36°
13
55°
35°
14
54°
35°
15
49°
34°
16
48°
31°
17
54°
26°
18
51°
27°
19
46°
29°
20
44°
17°
21
53°
15°
22
37°
19°
23
35°
18°
24
38°
17°
25
36°
18°
26
37°
24°
27
38°
20°
28
40°
26°
29
38°
32°
30
48°
30°
31
48°
27°
1
47°
26°
2
46°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in The Plains
The Plains's December 2026 forecast shows daily high temperatures ranging from 35° to 60°, with overnight lows between 15° and 41°. The average high for December is 48° with an average low of 28°. 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 The Plains. See also: January | February | March.
