S
M
T
W
T
F
S
29
43°
28°
30
40°
26°
1
30°
25°
2
34°
23°
3
36°
26°
4
40°
26°
5
36°
25°
6
34°
20°
7
26°
17°
8
26°
20°
9
34°
23°
10
39°
24°
11
38°
24°
12
38°
23°
13
37°
23°
14
24°
22°
15
33°
19°
16
34°
16°
17
30°
18°
18
31°
16°
19
29°
10°
20
26°
7°
21
22°
18°
22
31°
15°
23
32°
17°
24
30°
12°
25
31°
12°
26
27°
17°
27
30°
19°
28
33°
17°
29
32°
14°
30
30°
9°
31
29°
1°
1
28°
-1°
2
17°
5°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Prescott
Prescott's December 2026 forecast shows daily high temperatures ranging from 17° to 43°, with overnight lows between -1° and 28°. The average high for December is 32° with an average low of 18°. 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 Prescott. See also: January | February | March.