S
M
T
W
T
F
S
29
27°
19°
30
29°
20°
1
31°
20°
2
33°
19°
3
33°
17°
4
32°
15°
5
28°
16°
6
29°
11°
7
26°
13°
8
24°
14°
9
27°
16°
10
28°
12°
11
31°
11°
12
20°
13°
13
30°
16°
14
31°
14°
15
Hist. Avg.
20°
4°
16
Hist. Avg.
20°
4°
17
Hist. Avg.
20°
3°
18
Hist. Avg.
19°
3°
19
Hist. Avg.
19°
3°
20
Hist. Avg.
19°
2°
21
Hist. Avg.
19°
2°
22
Hist. Avg.
18°
2°
23
Hist. Avg.
18°
2°
24
Hist. Avg.
18°
1°
25
Hist. Avg.
18°
1°
26
Hist. Avg.
18°
1°
27
Hist. Avg.
18°
0°
28
Hist. Avg.
17°
0°
29
Hist. Avg.
17°
0°
30
Hist. Avg.
17°
0°
31
Hist. Avg.
17°
0°
1
Hist. Avg.
17°
-1°
2
Hist. Avg.
17°
-1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Gilbert
Gilbert's December 2026 forecast shows daily high temperatures ranging from 20° to 33°, with overnight lows between 11° and 20°. The average high for December is 29° with an average low of 15°. 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.
