Measurements:
°C
°F
Costa Brava
80°F
S 12 mph
Feels like: 84°F
Precip: 16%
World Resorts Spain Costa Brava Weather

Costa Brava Sea Water Temperature

Current Sea Water Temperature:
+81.6°F
Maximum Sea Water Temperature in September: 83.0°F
Minimum Sea Water Temperature in September: 69.2°F
Average water temperature in September: 74.2°F

Sea Water Temperature for the Last 10 Days:

September 08 81.6°F September 03 82.4°F
September 07 81.6°F September 02 81.4°F
September 06 82.4°F September 01 80.8°F
September 05 83.0°F August 31 80.4°F
September 04 82.6°F August 30 80.8°F

When is the Warmest Sea for Costa Brava?

According to our data for the last three years for Costa Brava 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Costa Brava was 82.5°F. The maximum and minimum values were 80.2°F and 84.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Costa Brava was 78.6°F. The maximum and minimum values were 75.2°F and 81.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Costa Brava was 74.5°F. The maximum and minimum values were 71.6°F and 76.8°F respectively.

Best Time to Visit Costa Brava
The most sunny months:
July 26 days
August 24 days
June 23 days
The most warm months:
August 85.8 °F
July 84.9 °F
June 79.6 °F
Warmest sea temperature:
August 77.5 °F
July 76.2 °F
September 74.1 °F
The most cold months:
January 54.8 °F
February 56.2 °F
December 57.3 °F
The most rainy months:
November 3 days
April 3 days
January 2 days
The most windy months:
November 11 mph
February 11 mph
March 11 mph

Costa Brava on the Weather Map

24 Hours Weather Forecast
Costa Brava
Local time: 00:11
09 sep, wednesday
0300 78°F
S
19 mph
0600 78°F
S
22 mph
0900 74°F
S
22 mph
1200 70°F
S
26 mph
1500 74°F
S
27 mph
1800 76°F
S
20 mph
2100 76°F
S
26 mph
10 sep, thursday
0000 74°F
S
24 mph