Measurements:
°C
°F
Barcelona
54°F
E 23 mph
Feels like: 48°F
Precip: 0%
World Resorts Spain Barcelona Weather

Barcelona Sea Water Temperature

Current Sea Water Temperature:
+58.2°F
Maximum Sea Water Temperature in January: 60.6°F
Minimum Sea Water Temperature in January: 55.2°F
Average water temperature in January: 57.9°F

Sea Water Temperature for the Last 10 Days:

January 08 58.2°F January 03 58.6°F
January 07 58.6°F January 02 58.8°F
January 06 58.2°F January 01 58.8°F
January 05 58.4°F December 31 58.8°F
January 04 58.6°F December 30 59.2°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 55.7 °F
February 56.9 °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: 02:23
09 jan, friday
0300 54°F
E
23 mph
0600 54°F
E
19 mph
0900 54°F
E
18 mph
1200 56°F
E
19 mph
1500 58°F
E
24 mph
1800 56°F
E
27 mph
2100 52°F
SE
19 mph
10 jan, saturday
0000 50°F
SE
9 mph