Measurements:
°C
°F
Arenas del Mar
66°F
W 7 mph
Feels like: 66°F
Precip: 88%
World Resorts Spain Arenas del Mar Weather

Arenas del Mar Sea Water Temperature

Current Sea Water Temperature:
+70.6°F
Maximum Sea Water Temperature in May: 74.4°F
Minimum Sea Water Temperature in May: 69.0°F
Average water temperature in May: 71.4°F

Sea Water Temperature for the Last 10 Days:

May 09 70.6°F May 04 70.4°F
May 08 70.4°F May 03 69.8°F
May 07 70.6°F May 02 70.0°F
May 06 70.4°F May 01 69.2°F
May 05 70.4°F April 30 68.8°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Arenas del Mar was 77.1°F. The maximum and minimum values were 75.8°F and 78.2°F respectively.

Best Time to Visit Arenas del Mar
The most sunny months:
July 31 days
August 30 days
May 25 days
The most warm months:
August 83.3 °F
July 82.3 °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 10 mph
August 9 mph
February 9 mph

Arenas del Mar on the Weather Map

24 Hours Weather Forecast
Arenas del Mar
Local time: 07:01
10 may, sunday
0900 66°F
W
7 mph
1200 68°F
NW
6 mph
1500 68°F
NW
5 mph
1800 68°F
NW
3 mph
2100 68°F
W
2 mph
11 may, monday
0000 66°F
W
4 mph
0300 66°F
W
2 mph
0600 64°F
E
3 mph