S
M
T
W
T
F
S
29
66°
43°
30
64°
42°
1
66°
42°
2
69°
41°
3
65°
40°
4
67°
44°
5
70°
43°
6
69°
39°
7
66°
40°
8
65°
36°
9
60°
37°
10
61°
38°
11
65°
39°
12
66°
43°
13
69°
44°
14
68°
39°
15
58°
36°
16
59°
36°
17
60°
37°
18
60°
38°
19
62°
39°
20
65°
46°
21
64°
39°
22
59°
35°
23
58°
38°
24
60°
37°
25
61°
36°
26
59°
45°
27
59°
36°
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 58° to 70°, with overnight lows between 35° and 46°. The average high for December is 63° with an average low of 40°. 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.
