Measurements:
°C
°F
Arenas del Mar
72°F
SW 13 mph
Feels like: 72°F
Precip: 5%
World Resorts Spain Arenas del Mar Weather

Arenas del Mar Sea Water Temperature

Current Sea Water Temperature:
+75.0°F
Maximum Sea Water Temperature in July: 78.2°F
Minimum Sea Water Temperature in July: 71.8°F
Average water temperature in July: 74.7°F

Sea Water Temperature for the Last 10 Days:

July 09 75.0°F July 04 75.0°F
July 08 75.8°F July 03 74.2°F
July 07 74.8°F July 02 74.4°F
July 06 76.0°F July 01 73.8°F
July 05 75.2°F June 30 74.0°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: 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
June 9 mph

Arenas del Mar on the Weather Map

24 Hours Weather Forecast
Arenas del Mar
Local time: 04:43
10 jul, friday
0600 72°F
SW
13 mph
0900 74°F
SW
14 mph
1200 76°F
W
14 mph
1500 76°F
SW
12 mph
1800 76°F
SW
12 mph
2100 74°F
SW
11 mph
11 jul, saturday
0000 74°F
SW
7 mph
0300 72°F
SE
2 mph