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