Measurements:
°C
°F
Costa Brava
54°F
SE 6 mph
Feels like: 52°F
Precip: 75%
World Resorts Spain Costa Brava Weather

Costa Brava Sea Water Temperature

Current Sea Water Temperature:
+58.8°F
Maximum Sea Water Temperature in December: 64.6°F
Minimum Sea Water Temperature in December: 56.8°F
Average water temperature in December: 59.9°F

Sea Water Temperature for the Last 10 Days:

December 13 58.8°F December 08 59.0°F
December 12 58.8°F December 07 58.8°F
December 11 58.4°F December 06 59.0°F
December 10 59.0°F December 05 59.0°F
December 09 59.4°F December 04 58.8°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Costa Brava was 77.7°F. The maximum and minimum values were 75.6°F and 80.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Costa Brava was 80.2°F. The maximum and minimum values were 78.2°F and 82.4°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 25 days
August 24 days
June 23 days
The most warm months:
August 85.7 °F
July 84.7 °F
June 79.4 °F
Warmest sea temperature:
August 77.2 °F
July 76.0 °F
September 74.1 °F
The most cold months:
January 54.9 °F
February 56.1 °F
December 57.4 °F
The most rainy months:
November 3 days
April 3 days
January 2 days
The most windy months:
February 11 mph
November 11 mph
March 10 mph

Costa Brava on the Weather Map

24 Hours Weather Forecast
Costa Brava
Local time: 10:22
13 dec, saturday
1200 58°F
S
4 mph
1500 58°F
SW
5 mph
1800 54°F
SW
2 mph
2100 52°F
SE
3 mph
14 dec, sunday
0000 50°F
E
4 mph
0300 50°F
E
3 mph
0600 48°F
SE
3 mph
0900 50°F
SE
4 mph