S
M
T
W
T
F
S
29
57°
36°
30
59°
40°
1
58°
39°
2
58°
35°
3
56°
34°
4
56°
35°
5
56°
34°
6
55°
33°
7
52°
30°
8
53°
31°
9
54°
35°
10
58°
42°
11
61°
37°
12
52°
29°
13
52°
34°
14
Hist. Avg.
57°
34°
15
Hist. Avg.
57°
34°
16
Hist. Avg.
57°
34°
17
Hist. Avg.
56°
34°
18
Hist. Avg.
56°
34°
19
Hist. Avg.
56°
34°
20
Hist. Avg.
56°
34°
21
Hist. Avg.
56°
33°
22
Hist. Avg.
56°
33°
23
Hist. Avg.
55°
33°
24
Hist. Avg.
55°
33°
25
Hist. Avg.
55°
33°
26
Hist. Avg.
55°
33°
27
Hist. Avg.
55°
33°
28
Hist. Avg.
55°
33°
29
Hist. Avg.
55°
33°
30
Hist. Avg.
55°
33°
31
Hist. Avg.
55°
33°
1
Hist. Avg.
55°
33°
2
Hist. Avg.
55°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Valley
Valley's December 2026 forecast shows daily high temperatures ranging from 52° to 61°, with overnight lows between 29° and 42°. The average high for December is 56° with an average low of 35°. 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 Valley. See also: January | February | March.
