Measurements:
°C
°F
Arenas del Mar
84°F
SW 24 mph
Feels like: 88°F
Precip: 5%
World Resorts Spain Arenas del Mar Weather

Arenas del Mar Sea Water Temperature

Current Sea Water Temperature:
+78.2°F
Maximum Sea Water Temperature in September: 80.8°F
Minimum Sea Water Temperature in September: 75.8°F
Average water temperature in September: 78.0°F

Sea Water Temperature for the Last 10 Days:

September 08 78.2°F September 03 79.4°F
September 07 78.8°F September 02 79.2°F
September 06 78.8°F September 01 79.2°F
September 05 79.6°F August 31 79.0°F
September 04 79.2°F August 30 79.0°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 78.2°F. The maximum and minimum values were 75.8°F and 80.2°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 83.0 °F
July 82.0 °F
September 80.5 °F
Warmest sea temperature:
September 77.9 °F
October 77.5 °F
August 76.8 °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:
August 11 mph
July 11 mph
June 9 mph

Arenas del Mar on the Weather Map

24 Hours Weather Forecast
Arenas del Mar
Local time: 21:57
09 sep, wednesday
0000 84°F
SW
24 mph
0300 82°F
SW
30 mph
0600 84°F
SW
31 mph
0900 84°F
SW
28 mph
1200 84°F
SW
21 mph
1500 82°F
SW
15 mph
1800 82°F
SW
24 mph
2100 78°F
SW
26 mph