S
M
T
W
T
F
S
29
42°
24°
30
42°
26°
1
43°
28°
2
44°
34°
3
43°
35°
4
48°
37°
5
48°
37°
6
44°
35°
7
44°
32°
8
41°
30°
9
40°
27°
10
40°
25°
11
55°
37°
12
57°
25°
13
57°
22°
14
40°
21°
15
39°
23°
16
42°
20°
17
38°
25°
18
45°
34°
19
47°
37°
20
54°
36°
21
54°
34°
22
53°
35°
23
53°
37°
24
57°
29°
25
56°
22°
26
54°
19°
27
37°
26°
28
44°
32°
29
50°
34°
30
51°
36°
31
54°
37°
1
53°
32°
2
54°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Altro
Altro's December 2026 forecast shows daily high temperatures ranging from 37° to 57°, with overnight lows between 19° and 37°. The average high for December is 48° with an average low of 30°. 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 Altro. See also: January | February | March.
