Measurements:
°C
°F
S'Arenal
68°F
SW 14 mph
Feels like: 68°F
Precip: 84%
World Resorts Spain S'Arenal Weather

S'Arenal Sea Water Temperature

Current Sea Water Temperature:
+79.0°F
Maximum Sea Water Temperature in October: 82.6°F
Minimum Sea Water Temperature in October: 71.4°F
Average water temperature in October: 77.4°F

Sea Water Temperature for the Last 10 Days:

October 18 79.0°F October 13 80.2°F
October 17 79.2°F October 12 80.2°F
October 16 79.0°F October 11 80.4°F
October 15 79.0°F October 10 80.6°F
October 14 79.8°F October 09 81.4°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: 2026 2025 2024

The average sea surface temperature in August 2026 for S'Arenal was 88.7°F. The maximum and minimum values were 85.8°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: 2026 2025 2024

The average sea surface temperature in September 2026 for S'Arenal was 84.8°F. The maximum and minimum values were 82.2°F and 87.4°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 92.7 °F
June 86.9 °F
Warmest sea temperature:
August 86.0 °F
July 83.9 °F
September 83.2 °F
The most cold months:
January 58.1 °F
February 61.0 °F
December 61.4 °F
The most rainy months:
April 1 day
May 1 day
January 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: 07:00
19 oct, monday
0900 70°F
W
12 mph
1200 78°F
NW
17 mph
1500 80°F
N
17 mph
1800 74°F
N
6 mph
2100 70°F
NW
6 mph
20 oct, tuesday
0000 66°F
SW
6 mph
0300 66°F
NE
2 mph
0600 66°F
E
2 mph