S
M
T
W
T
F
S
29
34°
19°
30
34°
24°
1
36°
28°
2
38°
27°
3
38°
25°
4
37°
23°
5
35°
23°
6
32°
22°
7
33°
17°
8
33°
14°
9
30°
10°
10
25°
8°
11
25°
9°
12
21°
8°
13
22°
7°
14
23°
6°
15
25°
8°
16
25°
14°
17
27°
22°
18
32°
23°
19
36°
20°
20
35°
11°
21
31°
8°
22
23°
7°
23
21°
8°
24
21°
9°
25
24°
10°
26
27°
10°
27
28°
14°
28
31°
16°
29
34°
14°
30
34°
15°
31
32°
16°
1
32°
19°
2
31°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Methow Valley
Methow Valley's December 2026 forecast shows daily high temperatures ranging from 21° to 38°, with overnight lows between 6° and 28°. The average high for December is 30° 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 Methow Valley. See also: January | February | March.
