S
M
T
W
T
F
S
29
44°
27°
30
45°
28°
1
46°
33°
2
45°
37°
3
46°
40°
4
46°
40°
5
47°
41°
6
48°
40°
7
48°
36°
8
44°
32°
9
42°
30°
10
43°
28°
11
57°
37°
12
60°
26°
13
60°
25°
14
41°
24°
15
42°
25°
16
43°
23°
17
41°
27°
18
47°
39°
19
52°
41°
20
56°
39°
21
59°
34°
22
57°
39°
23
57°
41°
24
59°
25°
25
60°
23°
26
47°
23°
27
40°
27°
28
49°
36°
29
52°
38°
30
55°
40°
31
57°
41°
1
57°
35°
2
58°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Middle Valley
Middle Valley's December 2026 forecast shows daily high temperatures ranging from 40° to 60°, with overnight lows between 23° and 41°. The average high for December is 50° with an average low of 33°. 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 Middle Valley. See also: January | February | March.
