Measurements:
°C
°F
Costa Blanca
56°F
SE 15 mph
Feels like: 52°F
Precip: 0%
World Resorts Spain Costa Blanca Weather

Costa Blanca Sea Water Temperature

Current Sea Water Temperature:
+64.8°F
Maximum Sea Water Temperature in December: 67.2°F
Minimum Sea Water Temperature in December: 59.6°F
Average water temperature in December: 63.2°F

Sea Water Temperature for the Last 10 Days:

December 05 64.8°F November 30 64.6°F
December 04 65.2°F November 29 64.6°F
December 03 65.4°F November 28 65.2°F
December 02 64.8°F November 27 65.8°F
December 01 65.0°F November 26 66.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Costa Blanca was 84.7°F. The maximum and minimum values were 83.0°F and 86.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Costa Blanca was 85.2°F. The maximum and minimum values were 83.2°F and 86.6°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 84.2 °F
July 82.0 °F
September 81.5 °F
The most cold months:
February 60.0 °F
January 60.2 °F
March 62.5 °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: 09:36
05 dec, friday
1200 62°F
SE
11 mph
1500 66°F
SE
11 mph
1800 62°F
SE
6 mph
2100 60°F
E
8 mph
06 dec, saturday
0000 60°F
E
9 mph
0300 62°F
SE
9 mph
0600 62°F
SE
9 mph
0900 62°F
SE
6 mph