S
M
T
W
T
F
S
29
62°
43°
30
62°
43°
1
64°
44°
2
65°
36°
3
60°
37°
4
60°
37°
5
61°
40°
6
64°
42°
7
66°
44°
8
69°
44°
9
70°
46°
10
72°
46°
11
73°
48°
12
69°
48°
13
68°
50°
14
66°
43°
15
62°
37°
16
57°
39°
17
58°
38°
18
60°
37°
19
61°
38°
20
62°
39°
21
65°
41°
22
68°
38°
23
69°
32°
24
55°
34°
25
57°
34°
26
Hist. Avg.
66°
38°
27
Hist. Avg.
66°
38°
28
Hist. Avg.
66°
38°
29
Hist. Avg.
66°
38°
30
Hist. Avg.
66°
38°
31
Hist. Avg.
66°
38°
1
Hist. Avg.
66°
38°
2
Hist. Avg.
66°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Tucson
Tucson's December 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 32° and 50°. The average high for December is 64° with an average low of 41°. 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 Tucson. See also: January | February | March.
