S
M
T
W
T
F
S
29
52°
39°
30
57°
38°
1
54°
40°
2
57°
36°
3
45°
33°
4
50°
29°
5
56°
37°
6
56°
35°
7
42°
29°
8
41°
24°
9
41°
23°
10
40°
22°
11
38°
24°
12
39°
23°
13
40°
22°
14
40°
20°
15
39°
27°
16
41°
30°
17
42°
32°
18
47°
29°
19
46°
21°
20
42°
20°
21
39°
19°
22
36°
20°
23
40°
25°
24
39°
21°
25
39°
19°
26
37°
18°
27
36°
19°
28
36°
17°
29
37°
21°
30
39°
25°
31
45°
20°
1
46°
17°
2
36°
14°
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 36° to 57°, with overnight lows between 14° and 40°. The average high for December is 43° with an average low of 25°. 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.
