Measurements:
°C
°F
Arenas del Mar
66°F
SW 16 mph
Feels like: 66°F
Precip: 0%
World Resorts Spain Arenas del Mar Weather

Arenas del Mar Sea Water Temperature

Current Sea Water Temperature:
+73.2°F
Maximum Sea Water Temperature in December: 76.2°F
Minimum Sea Water Temperature in December: 70.0°F
Average water temperature in December: 73.1°F

Sea Water Temperature for the Last 10 Days:

December 05 73.2°F November 30 73.8°F
December 04 73.2°F November 29 73.8°F
December 03 73.2°F November 28 74.0°F
December 02 73.4°F November 27 74.4°F
December 01 73.8°F November 26 74.8°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 70.0 °F
January 70.1 °F
February 70.5 °F
The most rainy months:
January 1 day
December 0 days
September 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: 09:07
05 dec, friday
1200 70°F
SW
14 mph
1500 70°F
SW
14 mph
1800 70°F
SW
11 mph
2100 68°F
SW
11 mph
06 dec, saturday
0000 68°F
SW
12 mph
0300 70°F
SW
12 mph
0600 68°F
SW
11 mph
0900 68°F
SW
13 mph