Measurements:
°C
°F
Barcelona
60°F
E 9 mph
Feels like: 60°F
Precip: 0%
World Resorts Spain Barcelona Weather

Barcelona Sea Water Temperature

Current Sea Water Temperature:
+66.4°F
Maximum Sea Water Temperature in May: 71.0°F
Minimum Sea Water Temperature in May: 59.0°F
Average water temperature in May: 64.6°F

Sea Water Temperature for the Last 10 Days:

May 09 66.4°F May 04 64.6°F
May 08 65.6°F May 03 65.0°F
May 07 65.6°F May 02 64.6°F
May 06 65.2°F May 01 64.8°F
May 05 65.2°F April 30 65.0°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
November 7 mph
April 7 mph

Barcelona on the Weather Map

24 Hours Weather Forecast
Barcelona
Local time: 05:33
10 may, sunday
0600 60°F
E
9 mph
0900 62°F
E
9 mph
1200 70°F
NE
14 mph
1500 72°F
NE
16 mph
1800 72°F
NE
19 mph
2100 70°F
E
17 mph
11 may, monday
0000 66°F
SE
9 mph
0300 66°F
E
9 mph