S
M
T
W
T
F
S
29
58°
46°
30
66°
46°
1
65°
47°
2
64°
46°
3
63°
41°
4
52°
35°
5
59°
40°
6
60°
43°
7
58°
40°
8
51°
39°
9
51°
37°
10
50°
33°
11
49°
30°
12
49°
31°
13
53°
31°
14
51°
29°
15
50°
35°
16
50°
39°
17
58°
40°
18
57°
41°
19
56°
30°
20
55°
25°
21
50°
26°
22
46°
29°
23
49°
33°
24
52°
27°
25
52°
26°
26
46°
27°
27
48°
26°
28
47°
27°
29
47°
31°
30
49°
36°
31
61°
27°
1
60°
24°
2
46°
22°
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 46° to 66°, with overnight lows between 22° and 47°. The average high for December is 54° with an average low of 34°. 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.
