S
M
T
W
T
F
S
29
57°
39°
30
64°
29°
1
62°
31°
2
56°
31°
3
54°
29°
4
51°
32°
5
54°
40°
6
59°
43°
7
63°
40°
8
63°
33°
9
62°
27°
10
53°
27°
11
52°
36°
12
55°
40°
13
62°
42°
14
63°
43°
15
62°
42°
16
63°
33°
17
64°
30°
18
53°
32°
19
50°
27°
20
50°
22°
21
60°
21°
22
41°
24°
23
43°
24°
24
44°
22°
25
44°
23°
26
46°
31°
27
47°
33°
28
52°
35°
29
48°
36°
30
60°
30°
31
56°
30°
1
52°
26°
2
50°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cornelius
Cornelius's December 2026 forecast shows daily high temperatures ranging from 41° to 64°, with overnight lows between 21° and 43°. The average high for December is 55° with an average low of 32°. 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 Cornelius. See also: January | February | March.
