S
M
T
W
T
F
S
30
38°
26°
1
33°
28°
2
38°
28°
3
34°
30°
4
37°
32°
5
33°
32°
6
42°
32°
7
42°
32°
8
49°
32°
9
51°
36°
10
46°
38°
11
48°
39°
12
49°
36°
13
48°
34°
14
46°
35°
15
50°
39°
16
48°
34°
17
50°
36°
18
40°
33°
19
43°
28°
20
40°
24°
21
40°
32°
22
39°
31°
23
40°
31°
24
36°
33°
25
38°
35°
26
41°
31°
27
31°
22°
28
27°
17°
29
31°
19°
30
34°
19°
31
34°
20°
1
29°
19°
2
34°
28°
3
39°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Omak
Omak'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 Omak. See also: January | February | March.