S
M
T
W
T
F
S
29
47°
30°
30
42°
22°
1
33°
16°
2
31°
17°
3
35°
28°
4
37°
28°
5
34°
28°
6
34°
22°
7
31°
20°
8
30°
23°
9
36°
22°
10
40°
27°
11
40°
27°
12
43°
26°
13
42°
26°
14
35°
24°
15
36°
24°
16
34°
21°
17
35°
14°
18
33°
13°
19
34°
8°
20
26°
7°
21
24°
19°
22
34°
18°
23
35°
14°
24
34°
8°
25
29°
21°
26
32°
22°
27
35°
21°
28
35°
20°
29
34°
16°
30
34°
13°
31
31°
5°
1
27°
4°
2
23°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Prague
Prague's December 2026 forecast shows daily high temperatures ranging from 23° to 47°, with overnight lows between 4° and 30°. The average high for December is 34° with an average low of 19°. 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 Prague. See also: January | February | March.
