Measurements:
°C
°F
Barcelona
58°F
NW 6 mph
Feels like: 58°F
Precip: 0%
World Resorts Spain Barcelona Weather

Barcelona Sea Water Temperature

Current Sea Water Temperature:
+57.8°F
Maximum Sea Water Temperature in March: 61.2°F
Minimum Sea Water Temperature in March: 54.4°F
Average water temperature in March: 56.8°F

Sea Water Temperature for the Last 10 Days:

March 10 57.8°F March 05 55.6°F
March 09 57.4°F March 04 56.6°F
March 08 57.4°F March 03 57.0°F
March 07 57.4°F March 02 57.2°F
March 06 55.8°F March 01 57.2°F

When is the Warmest Sea for Barcelona?

According to our data for the last three years for Barcelona the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Barcelona was 83.7°F. The maximum and minimum values were 82.0°F and 85.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Barcelona was 83.2°F. The maximum and minimum values were 81.6°F and 84.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Barcelona was 81.0°F. The maximum and minimum values were 78.4°F and 83.8°F respectively.

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 55.6 °F
February 57.0 °F
December 58.1 °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

Barcelona on the Weather Map

24 Hours Weather Forecast
Barcelona
Local time: 12:13
10 mar, tuesday
1500 60°F
W
7 mph
1800 58°F
W
6 mph
2100 56°F
SW
6 mph
11 mar, wednesday
0000 56°F
SW
7 mph
0300 54°F
SW
4 mph
0600 52°F
S
4 mph
0900 54°F
S
5 mph
1200 60°F
N
4 mph