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