S
M
T
W
T
F
S
29
63°
40°
30
72°
41°
1
66°
39°
2
65°
41°
3
67°
43°
4
71°
42°
5
70°
41°
6
69°
38°
7
65°
41°
8
69°
42°
9
71°
42°
10
71°
41°
11
70°
41°
12
70°
42°
13
69°
42°
14
72°
41°
15
72°
41°
16
71°
42°
17
72°
42°
18
72°
44°
19
73°
43°
20
74°
43°
21
72°
38°
22
65°
35°
23
61°
36°
24
63°
44°
25
66°
49°
26
67°
43°
27
61°
39°
28
60°
35°
29
60°
35°
30
61°
36°
31
61°
36°
1
62°
35°
2
62°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Scottsdale
Scottsdale's December 2026 forecast shows daily high temperatures ranging from 60° to 74°, with overnight lows between 35° and 49°. The average high for December is 67° 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 Scottsdale. See also: January | February | March.
