S
M
T
W
T
F
S
29
59°
42°
30
61°
42°
1
63°
39°
2
50°
32°
3
48°
29°
4
52°
34°
5
56°
39°
6
50°
32°
7
47°
30°
8
46°
26°
9
46°
28°
10
45°
27°
11
46°
27°
12
48°
31°
13
51°
28°
14
49°
27°
15
49°
36°
16
48°
36°
17
51°
30°
18
55°
29°
19
48°
24°
20
46°
23°
21
44°
24°
22
46°
27°
23
49°
27°
24
44°
24°
25
45°
23°
26
44°
24°
27
45°
23°
28
45°
24°
29
46°
28°
30
49°
25°
31
45°
23°
1
44°
20°
2
43°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Etta
Etta's December 2026 forecast shows daily high temperatures ranging from 43° to 63°, with overnight lows between 20° and 42°. The average high for December is 49° with an average low of 29°. 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 Etta. See also: January | February | March.