S
M
T
W
T
F
S
29
28°
8°
30
39°
10°
1
37°
14°
2
34°
16°
3
33°
12°
4
33°
17°
5
38°
11°
6
35°
12°
7
29°
12°
8
31°
16°
9
36°
16°
10
36°
14°
11
34°
17°
12
33°
17°
13
37°
16°
14
36°
15°
15
36°
16°
16
35°
17°
17
37°
18°
18
38°
18°
19
40°
17°
20
38°
17°
21
39°
10°
22
35°
5°
23
30°
8°
24
27°
8°
25
29°
10°
26
31°
4°
27
28°
2°
28
27°
11°
29
28°
4°
30
30°
1°
31
23°
8°
1
26°
12°
2
29°
10°
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 23° to 40°, with overnight lows between 1° and 18°. The average high for December is 33° with an average low of 12°. 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.
