S
M
T
W
T
F
S
29
49°
30°
30
49°
30°
1
50°
31°
2
49°
31°
3
49°
37°
4
50°
37°
5
50°
42°
6
51°
42°
7
51°
40°
8
48°
38°
9
49°
32°
10
48°
29°
11
60°
44°
12
62°
38°
13
64°
31°
14
62°
30°
15
48°
29°
16
47°
26°
17
47°
29°
18
50°
41°
19
56°
42°
20
60°
42°
21
60°
39°
22
61°
38°
23
59°
41°
24
61°
39°
25
63°
33°
26
63°
27°
27
48°
29°
28
51°
36°
29
54°
39°
30
58°
40°
31
59°
42°
1
61°
42°
2
61°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cary
Cary's December 2026 forecast shows daily high temperatures ranging from 47° to 64°, with overnight lows between 26° and 44°. The average high for December is 55° 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 Cary. See also: January | February | March.
