S
M
T
W
T
F
S
29
41°
24°
30
44°
26°
1
43°
25°
2
41°
26°
3
43°
24°
4
42°
23°
5
42°
23°
6
38°
24°
7
42°
22°
8
37°
21°
9
33°
22°
10
35°
21°
11
36°
21°
12
35°
20°
13
36°
14°
14
36°
10°
15
32°
9°
16
25°
10°
17
28°
9°
18
27°
17°
19
31°
16°
20
35°
15°
21
33°
10°
22
31°
11°
23
30°
2°
24
29°
10°
25
26°
11°
26
28°
3°
27
25°
3°
28
22°
5°
29
25°
4°
30
23°
8°
31
26°
14°
1
35°
12°
2
35°
6°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Milan
Milan's December 2026 forecast shows daily high temperatures ranging from 22° to 44°, with overnight lows between 2° and 26°. The average high for December is 33° with an average low of 15°. 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 Milan. See also: January | February | March.