Measurements:
°C
°F
CURRENT WEATHER
10:19
Barcelona
54°F
S 4 mph
Feels like: 54°F
Precip: 0%
World Resorts Spain Barcelona Weather

7 Day Weather Forecast

12.18
thu
DAY
58°F
S 2 mph
precip
0%
NIGHT
56°F
SE 2 mph
precip
0%
12.19
fri
DAY
60°F
S 3 mph
precip
0%
NIGHT
58°F
SW 7 mph
precip
100%
12.20
sat
DAY
58°F
W 14 mph
precip
100%
NIGHT
56°F
E 9 mph
precip
0%
12.21
sun
DAY
58°F
E 11 mph
precip
0%
NIGHT
54°F
SE 3 mph
precip
67%
12.22
mon
DAY
56°F
NE 11 mph
precip
82%
NIGHT
50°F
NE 6 mph
precip
100%
12.23
tue
DAY
52°F
SE 7 mph
precip
0%
NIGHT
50°F
E 7 mph
precip
0%
12.24
wed
DAY
52°F
S 5 mph
precip
100%
NIGHT
50°F
E 12 mph
precip
0%

Barcelona Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Barcelona was 15.8°F. The maximum and minimum values were 15.3°F and 16.5°F respectively.

Barcelona on the Weather Map

Best Time to Visit Barcelona
The most sunny months:
July 26 days
August 24 days
June 24 days
The most warm months:
August 86.5 °F
July 85.7 °F
September 80.3 °F
Warmest sea temperature:
August 82.1 °F
July 79.6 °F
September 79.5 °F
The most cold months:
January 55.7 °F
February 56.9 °F
December 58.2 °F
The most rainy months:
September 4 days
June 3 days
October 3 days
The most windy months:
March 8 mph
April 7 mph
November 7 mph
more details