S
M
T
W
T
F
S
29
47°
30°
30
51°
42°
1
51°
43°
2
48°
43°
3
50°
42°
4
51°
44°
5
52°
43°
6
55°
42°
7
58°
39°
8
52°
33°
9
46°
31°
10
45°
38°
11
61°
33°
12
63°
28°
13
59°
26°
14
44°
29°
15
48°
26°
16
46°
30°
17
47°
39°
18
50°
41°
19
58°
41°
20
59°
40°
21
58°
39°
22
57°
44°
23
60°
34°
24
61°
25°
25
59°
24°
26
40°
26°
27
43°
31°
28
49°
40°
29
53°
41°
30
56°
42°
31
58°
40°
1
59°
33°
2
60°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Brinkley
Brinkley's December 2026 forecast shows daily high temperatures ranging from 40° to 63°, with overnight lows between 24° and 44°. The average high for December is 53° with an average low of 36°. 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 Brinkley. See also: January | February | March.