S
M
T
W
T
F
S
30
27°
18°
1
23°
16°
2
26°
17°
3
35°
17°
4
19°
5°
5
35°
10°
6
37°
22°
7
38°
11°
8
31°
8°
9
47°
29°
10
47°
28°
11
30°
24°
12
30°
26°
13
27°
-3°
14
9°
-5°
15
41°
5°
16
48°
26°
17
50°
34°
18
55°
22°
19
36°
17°
20
49°
29°
21
43°
22°
22
49°
29°
23
60°
34°
24
57°
34°
25
58°
45°
26
60°
46°
27
55°
42°
28
68°
15°
29
21°
11°
30
33°
12°
31
39°
29°
1
33°
25°
2
28°
22°
3
35°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Spring Valley
Spring Valley's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Spring Valley. See also: January | February | March.
