Measurements:
°C
°F
S'Arenal
92°F
NE 14 mph
Feels like: 98°F
Precip: 3%
World Resorts Spain S'Arenal Weather

S'Arenal Sea Water Temperature

Current Sea Water Temperature:
+89.4°F
Maximum Sea Water Temperature in August: 90.2°F
Minimum Sea Water Temperature in August: 81.8°F
Average water temperature in August: 85.9°F

Sea Water Temperature for the Last 10 Days:

August 19 89.4°F August 14 89.8°F
August 18 90.0°F August 13 90.2°F
August 17 90.2°F August 12 89.8°F
August 16 89.8°F August 11 89.2°F
August 15 90.0°F August 10 89.0°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: 2026 2025 2024

The average sea surface temperature in August 2026 for S'Arenal was 89.5°F. The maximum and minimum values were 87.8°F and 90.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for S'Arenal was 86.6°F. The maximum and minimum values were 83.8°F and 89.0°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 24 days
The most warm months:
July 92.8 °F
August 92.4 °F
June 86.9 °F
Warmest sea temperature:
August 85.6 °F
July 83.9 °F
September 82.9 °F
The most cold months:
January 58.1 °F
February 61.0 °F
December 61.4 °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: 16:58
19 aug, wednesday
1800 92°F
NE
14 mph
2100 86°F
NE
11 mph
20 aug, thursday
0000 82°F
W
4 mph
0300 84°F
N
2 mph
0600 86°F
NE
9 mph
0900 90°F
E
3 mph
1200 94°F
SE
17 mph
1500 96°F
NE
12 mph