Measurements:
°C
°F
Costa Blanca
84°F
W 11 mph
Feels like: 88°F
Precip: 6%
World Resorts Spain Costa Blanca Weather

Costa Blanca Sea Water Temperature

Current Sea Water Temperature:
+86.6°F
Maximum Sea Water Temperature in August: 88.8°F
Minimum Sea Water Temperature in August: 81.0°F
Average water temperature in August: 84.4°F

Sea Water Temperature for the Last 10 Days:

August 22 86.6°F August 17 88.0°F
August 21 87.2°F August 16 88.2°F
August 20 88.4°F August 15 88.0°F
August 19 88.6°F August 14 87.8°F
August 18 88.4°F August 13 88.0°F

When is the Warmest Sea for Costa Blanca?

According to our data for the last three years for Costa Blanca 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 Blanca was 88.1°F. The maximum and minimum values were 86.6°F and 88.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Costa Blanca was 85.2°F. The maximum and minimum values were 82.0°F and 87.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Costa Blanca was 82.4°F. The maximum and minimum values were 79.4°F and 84.8°F respectively.

Best Time to Visit Costa Blanca
The most sunny months:
July 29 days
August 27 days
June 27 days
The most warm months:
August 88.3 °F
July 87.1 °F
September 83.4 °F
Warmest sea temperature:
August 84.5 °F
July 82.2 °F
September 81.5 °F
The most cold months:
January 60.0 °F
February 60.1 °F
March 62.2 °F
The most rainy months:
November 2 days
March 2 days
October 2 days
The most windy months:
March 10 mph
February 9 mph
January 9 mph

Costa Blanca on the Weather Map

24 Hours Weather Forecast
Costa Blanca
Local time: 14:19
22 aug, saturday
1500 84°F
W
11 mph
1800 84°F
W
9 mph
2100 84°F
SW
7 mph
23 aug, sunday
0000 84°F
W
7 mph
0300 84°F
S
4 mph
0600 86°F
SW
4 mph
0900 86°F
SW
7 mph
1200 84°F
W
10 mph