S
M
T
W
T
F
S
29
42°
29°
30
45°
30°
1
44°
29°
2
42°
30°
3
45°
28°
4
44°
27°
5
44°
27°
6
41°
28°
7
44°
26°
8
41°
24°
9
34°
25°
10
37°
25°
11
38°
24°
12
37°
24°
13
37°
18°
14
39°
11°
15
33°
8°
16
26°
11°
17
27°
10°
18
25°
19°
19
33°
20°
20
36°
17°
21
34°
11°
22
31°
13°
23
32°
7°
24
30°
12°
25
26°
14°
26
31°
8°
27
29°
8°
28
24°
9°
29
27°
9°
30
25°
10°
31
27°
17°
1
36°
16°
2
37°
10°
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 24° to 45°, with overnight lows between 7° and 30°. The average high for December is 35° with an average low of 18°. 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.
