S
M
T
W
T
F
S
29
64°
43°
30
67°
35°
1
52°
29°
2
51°
29°
3
57°
41°
4
62°
39°
5
53°
36°
6
52°
33°
7
51°
27°
8
48°
26°
9
50°
27°
10
51°
33°
11
55°
32°
12
61°
37°
13
56°
37°
14
54°
27°
15
52°
26°
16
51°
30°
17
50°
26°
18
48°
23°
19
49°
22°
20
47°
26°
21
51°
28°
22
51°
27°
23
50°
25°
24
49°
24°
25
48°
29°
26
50°
34°
27
57°
29°
28
53°
25°
29
50°
25°
30
47°
23°
31
48°
21°
1
47°
26°
2
49°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Avoca
Avoca's December 2026 forecast shows daily high temperatures ranging from 47° to 67°, with overnight lows between 21° and 43°. The average high for December is 52° with an average low of 30°. 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 Avoca. See also: January | February | March.