S
M
T
W
T
F
S
29
54°
28°
30
52°
27°
1
47°
25°
2
42°
25°
3
44°
26°
4
49°
27°
5
52°
34°
6
55°
39°
7
58°
37°
8
59°
34°
9
58°
31°
10
44°
33°
11
47°
25°
12
44°
22°
13
40°
23°
14
43°
23°
15
41°
24°
16
40°
21°
17
40°
20°
18
39°
22°
19
39°
20°
20
40°
22°
21
41°
32°
22
45°
35°
23
54°
29°
24
47°
26°
25
43°
21°
26
41°
17°
27
38°
24°
28
40°
22°
29
47°
18°
30
38°
16°
31
34°
18°
1
35°
21°
2
40°
18°
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 34° to 59°, with overnight lows between 16° and 39°. The average high for December is 45° with an average low of 25°. 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.
