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