Measurements:
°C
°F
S'Arenal
54°F
SE 18 mph
Feels like: 50°F
Precip: 72%
World Resorts Spain S'Arenal Weather

S'Arenal Sea Water Temperature

Current Sea Water Temperature:
+64.8°F
Maximum Sea Water Temperature in December: 68.2°F
Minimum Sea Water Temperature in December: 60.6°F
Average water temperature in December: 63.8°F

Sea Water Temperature for the Last 10 Days:

December 04 64.8°F November 29 65.2°F
December 03 64.6°F November 28 65.2°F
December 02 65.0°F November 27 65.8°F
December 01 65.0°F November 26 66.4°F
November 30 65.2°F November 25 67.4°F

When is the Warmest Sea for S'Arenal?

According to our data for the last three years for S'Arenal the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for S'Arenal was 85.2°F. The maximum and minimum values were 83.4°F and 87.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for S'Arenal was 85.5°F. The maximum and minimum values were 83.2°F and 87.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for S'Arenal was 83.5°F. The maximum and minimum values were 81.2°F and 84.8°F respectively.

Best Time to Visit S'Arenal
The most sunny months:
July 28 days
August 26 days
June 23 days
The most warm months:
July 92.5 °F
August 92.4 °F
June 86.6 °F
Warmest sea temperature:
August 85.6 °F
July 83.5 °F
September 82.9 °F
The most cold months:
January 58.4 °F
February 61.0 °F
December 61.5 °F
The most rainy months:
April 1 day
January 1 day
September 1 day
The most windy months:
March 10 mph
January 9 mph
November 9 mph

S'Arenal on the Weather Map

24 Hours Weather Forecast
S'Arenal
Local time: 05:38
05 dec, friday
0600 54°F
SE
18 mph
0900 54°F
SE
20 mph
1200 58°F
SE
19 mph
1500 58°F
SE
18 mph
1800 52°F
SE
11 mph
2100 52°F
SE
7 mph
06 dec, saturday
0000 54°F
E
4 mph
0300 52°F
SE
4 mph