S
M
T
W
T
F
S
29
58°
35°
30
56°
34°
1
58°
36°
2
63°
34°
3
62°
33°
4
56°
40°
5
59°
49°
6
68°
48°
7
69°
39°
8
69°
34°
9
58°
39°
10
60°
45°
11
62°
44°
12
62°
42°
13
55°
34°
14
55°
32°
15
52°
37°
16
55°
43°
17
56°
46°
18
60°
47°
19
63°
49°
20
67°
45°
21
69°
43°
22
68°
41°
23
56°
34°
24
57°
43°
25
62°
44°
26
63°
43°
27
60°
32°
28
58°
35°
29
51°
31°
30
51°
29°
31
49°
28°
1
49°
35°
2
54°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gilbert
Gilbert's December 2026 forecast shows daily high temperatures ranging from 49° to 69°, with overnight lows between 28° and 49°. The average high for December is 59° with an average low of 39°. 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 Gilbert. See also: January | February | March.
