S
M
T
W
T
F
S
29
73°
51°
30
75°
50°
1
74°
48°
2
72°
43°
3
66°
44°
4
63°
41°
5
60°
39°
6
61°
40°
7
64°
42°
8
66°
41°
9
62°
43°
10
64°
41°
11
60°
37°
12
59°
34°
13
58°
33°
14
60°
37°
15
61°
36°
16
59°
37°
17
58°
36°
18
60°
38°
19
61°
36°
20
62°
37°
21
62°
38°
22
63°
39°
23
64°
37°
24
62°
35°
25
59°
34°
26
57°
35°
27
57°
36°
28
61°
38°
29
63°
39°
30
64°
38°
31
65°
37°
1
64°
35°
2
65°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Surprise
Surprise's December 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 33° and 51°. The average high for December is 63° with an average low of 39°. 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 Surprise. See also: January | February | March.
