S
M
T
W
T
F
S
29
55°
31°
30
55°
37°
1
57°
33°
2
59°
35°
3
59°
37°
4
56°
38°
5
57°
36°
6
51°
34°
7
51°
31°
8
43°
27°
9
43°
24°
10
41°
22°
11
41°
20°
12
42°
20°
13
43°
22°
14
46°
32°
15
52°
36°
16
56°
34°
17
45°
28°
18
51°
34°
19
53°
28°
20
50°
27°
21
40°
22°
22
41°
30°
23
49°
25°
24
46°
19°
25
40°
13°
26
35°
18°
27
36°
31°
28
46°
32°
29
49°
21°
30
49°
18°
31
48°
23°
1
44°
19°
2
49°
14°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Plainview
Plainview's December 2026 forecast shows daily high temperatures ranging from 35° to 59°, with overnight lows between 13° and 38°. The average high for December is 48° with an average low of 27°. 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 Plainview. See also: January | February | March.
