Measurements:
°C
°F
Barcelona
80°F
SW 7 mph
Feels like: 82°F
Precip: 4%
World Resorts Spain Barcelona Weather

Barcelona Sea Water Temperature

Current Sea Water Temperature:
+77.0°F
Maximum Sea Water Temperature in June: 81.8°F
Minimum Sea Water Temperature in June: 63.2°F
Average water temperature in June: 72.9°F

Sea Water Temperature for the Last 10 Days:

June 19 77.0°F June 14 74.6°F
June 18 77.2°F June 13 73.4°F
June 17 76.8°F June 12 73.0°F
June 16 76.2°F June 11 73.0°F
June 15 75.2°F June 10 72.4°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: 00:57
20 jun, saturday
0300 78°F
SW
6 mph
0600 76°F
SW
7 mph
0900 82°F
SW
9 mph
1200 84°F
W
9 mph
1500 86°F
W
9 mph
1800 86°F
W
10 mph
2100 84°F
SW
9 mph
21 jun, sunday
0000 80°F
SW
6 mph