S
M
T
W
T
F
S
30
60°
45°
1
62°
44°
2
62°
44°
3
60°
45°
4
54°
41°
5
59°
42°
6
67°
45°
7
68°
48°
8
64°
49°
9
64°
46°
10
64°
47°
11
63°
48°
12
65°
51°
13
63°
49°
14
59°
45°
15
64°
52°
16
58°
50°
17
61°
52°
18
62°
49°
19
58°
47°
20
56°
51°
21
60°
50°
22
51°
44°
23
53°
43°
24
61°
44°
25
52°
45°
26
58°
50°
27
57°
51°
28
59°
49°
29
55°
48°
30
56°
45°
31
56°
44°
1
56°
37°
2
55°
40°
3
54°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Barcelona
Barcelona's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Barcelona. See also: January | February | March.
