Measurements:
°C
°F
Arenas del Mar
78°F
W 10 mph
Feels like: 82°F
Precip: 10%
World Resorts Spain Arenas del Mar Weather

Arenas del Mar Sea Water Temperature

Current Sea Water Temperature:
+78.6°F
Maximum Sea Water Temperature in August: 80.2°F
Minimum Sea Water Temperature in August: 73.6°F
Average water temperature in August: 76.7°F

Sea Water Temperature for the Last 10 Days:

August 19 78.6°F August 14 78.2°F
August 18 78.4°F August 13 78.0°F
August 17 78.4°F August 12 78.0°F
August 16 78.2°F August 11 77.4°F
August 15 77.8°F August 10 77.2°F

When is the Warmest Sea for Arenas del Mar?

According to our data for the last three years for Arenas del Mar the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Arenas del Mar was 77.7°F. The maximum and minimum values were 76.6°F and 78.4°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Arenas del Mar was 77.0°F. The maximum and minimum values were 76.4°F and 77.6°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Arenas del Mar was 77.5°F. The maximum and minimum values were 75.8°F and 78.6°F respectively.

Best Time to Visit Arenas del Mar
The most sunny months:
July 30 days
August 30 days
May 25 days
The most warm months:
August 83.3 °F
July 82.0 °F
September 80.5 °F
Warmest sea temperature:
September 77.9 °F
October 77.5 °F
August 76.6 °F
The most cold months:
March 69.5 °F
January 69.5 °F
February 70.3 °F
The most rainy months:
January 1 day
March 1 day
December 0 days
The most windy months:
July 11 mph
August 9 mph
June 9 mph

Arenas del Mar on the Weather Map

24 Hours Weather Forecast
Arenas del Mar
Local time: 14:29
19 aug, wednesday
1500 78°F
W
10 mph
1800 76°F
W
6 mph
2100 76°F
SW
4 mph
20 aug, thursday
0000 76°F
SW
9 mph
0300 76°F
SW
11 mph
0600 76°F
SW
6 mph
0900 76°F
SW
9 mph
1200 78°F
SW
22 mph