Measurements:
°C
°F
Barcelona
80°F
NW 6 mph
Feels like: 82°F
Precip: 0%
World Resorts Spain Barcelona Weather

Barcelona Sea Water Temperature

Current Sea Water Temperature:
+71.8°F
Maximum Sea Water Temperature in May: 73.2°F
Minimum Sea Water Temperature in May: 59.0°F
Average water temperature in May: 64.7°F

Sea Water Temperature for the Last 10 Days:

May 30 71.8°F May 25 71.8°F
May 29 71.8°F May 24 71.2°F
May 28 72.0°F May 23 70.4°F
May 27 73.2°F May 22 68.8°F
May 26 73.2°F May 21 67.2°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
November 7 mph
April 7 mph

Barcelona on the Weather Map

24 Hours Weather Forecast
Barcelona
Local time: 11:08
30 may, saturday
1200 80°F
NW
6 mph
1500 80°F
NW
7 mph
1800 80°F
NW
6 mph
2100 76°F
NW
2 mph
31 may, sunday
0000 76°F
E
5 mph
0300 74°F
NE
3 mph
0600 72°F
NE
3 mph
0900 76°F
NE
3 mph