S
M
T
W
T
F
S
29
64°
54°
30
66°
50°
1
65°
48°
2
64°
45°
3
62°
45°
4
63°
43°
5
62°
43°
6
61°
44°
7
61°
43°
8
62°
45°
9
62°
52°
10
68°
54°
11
71°
46°
12
70°
49°
13
Hist. Avg.
65°
47°
14
Hist. Avg.
65°
47°
15
Hist. Avg.
65°
47°
16
Hist. Avg.
64°
46°
17
Hist. Avg.
64°
46°
18
Hist. Avg.
64°
46°
19
Hist. Avg.
64°
46°
20
Hist. Avg.
64°
46°
21
Hist. Avg.
64°
46°
22
Hist. Avg.
64°
46°
23
Hist. Avg.
64°
45°
24
Hist. Avg.
63°
45°
25
Hist. Avg.
63°
45°
26
Hist. Avg.
63°
45°
27
Hist. Avg.
63°
45°
28
Hist. Avg.
63°
45°
29
Hist. Avg.
63°
45°
30
Hist. Avg.
63°
45°
31
Hist. Avg.
63°
44°
1
Hist. Avg.
63°
44°
2
Hist. Avg.
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Phoenix
Phoenix's December 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 43° and 54°. The average high for December is 64° with an average low of 47°. 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 Phoenix. See also: January | February | March.
