S
M
T
W
T
F
S
29
40°
13°
30
30°
11°
1
28°
20°
2
35°
20°
3
37°
21°
4
37°
21°
5
36°
20°
6
37°
18°
7
35°
17°
8
33°
14°
9
33°
6°
10
29°
5°
11
21°
6°
12
23°
7°
13
25°
5°
14
23°
7°
15
25°
5°
16
24°
1°
17
19°
11°
18
24°
15°
19
32°
15°
20
33°
14°
21
32°
8°
22
31°
1°
23
23°
-1°
24
17°
4°
25
16°
7°
26
24°
12°
27
29°
9°
28
29°
2°
29
23°
10°
30
21°
9°
31
27°
11°
1
26°
7°
2
25°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Belgrade
Belgrade's December 2026 forecast shows daily high temperatures ranging from 16° to 40°, with overnight lows between -1° and 21°. The average high for December is 28° with an average low of 10°. 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 Belgrade. See also: January | February | March.
