S
M
T
W
T
F
S
29
51°
33°
30
51°
34°
1
54°
38°
2
59°
31°
3
51°
31°
4
49°
39°
5
54°
47°
6
61°
44°
7
62°
37°
8
62°
32°
9
53°
38°
10
55°
42°
11
54°
41°
12
52°
37°
13
50°
31°
14
47°
29°
15
46°
34°
16
49°
38°
17
50°
41°
18
51°
43°
19
57°
45°
20
61°
41°
21
63°
36°
22
60°
39°
23
48°
32°
24
48°
40°
25
55°
41°
26
57°
35°
27
51°
27°
28
52°
31°
29
45°
24°
30
42°
22°
31
41°
23°
1
39°
27°
2
47°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Vallier
Vallier's December 2026 forecast shows daily high temperatures ranging from 39° to 63°, with overnight lows between 22° and 47°. The average high for December is 52° 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 Vallier. See also: January | February | March.
