S
M
T
W
T
F
S
30
72°
46°
1
68°
48°
2
66°
43°
3
64°
43°
4
64°
39°
5
63°
39°
6
66°
41°
7
70°
41°
8
72°
43°
9
73°
41°
10
73°
41°
11
75°
46°
12
77°
48°
13
75°
48°
14
79°
45°
15
79°
48°
16
73°
46°
17
73°
45°
18
72°
46°
19
75°
45°
20
77°
46°
21
77°
46°
22
77°
46°
23
77°
49°
24
68°
62°
25
72°
57°
26
72°
54°
27
68°
54°
28
68°
43°
29
75°
48°
30
72°
52°
31
63°
47°
1
66°
55°
2
70°
54°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mesa
Mesa's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Mesa. See also: January | February | March.
