Measurements:
°C
°F
Barcelona
86°F
E 4 mph
Feels like: 86°F
Precip: 1%
World Resorts Spain Barcelona Weather

Barcelona Sea Water Temperature

Current Sea Water Temperature:
+80.2°F
Maximum Sea Water Temperature in July: 84.0°F
Minimum Sea Water Temperature in July: 73.2°F
Average water temperature in July: 79.6°F

Sea Water Temperature for the Last 10 Days:

July 09 80.2°F July 04 80.2°F
July 08 80.4°F July 03 81.4°F
July 07 80.8°F July 02 81.4°F
July 06 81.0°F July 01 82.2°F
July 05 80.8°F June 30 82.4°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
October 3 days
November 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: 02:59
10 jul, friday
0300 86°F
E
4 mph
0600 84°F
SE
3 mph
0900 86°F
W
6 mph
1200 90°F
W
7 mph
1500 92°F
NW
9 mph
1800 90°F
W
9 mph
2100 86°F
W
8 mph
11 jul, saturday
0000 86°F
W
4 mph