Measurements:
°C
°F
Siesta
86°F
NW 8 mph
Feels like: 92°F
Precip: 7%
World Resorts Spain Siesta Weather

Siesta Sea Water Temperature

Current Sea Water Temperature:
+87.4°F
Maximum Sea Water Temperature in August: 88.8°F
Minimum Sea Water Temperature in August: 82.2°F
Average water temperature in August: 85.1°F

Sea Water Temperature for the Last 10 Days:

August 05 87.4°F July 31 87.2°F
August 04 87.0°F July 30 87.0°F
August 03 87.4°F July 29 86.8°F
August 02 87.0°F July 28 86.6°F
August 01 87.0°F July 27 86.8°F

When is the Warmest Sea for Siesta?

According to our data for the last three years for Siesta 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 Siesta was 84.6°F. The maximum and minimum values were 82.2°F and 86.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Siesta was 85.9°F. The maximum and minimum values were 83.6°F and 88.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Siesta was 82.9°F. The maximum and minimum values were 79.8°F and 85.6°F respectively.

Best Time to Visit Siesta
The most sunny months:
July 27 days
August 27 days
June 25 days
The most warm months:
August 88.7 °F
July 88.2 °F
September 82.4 °F
Warmest sea temperature:
August 85.0 °F
July 83.3 °F
September 82.5 °F
The most cold months:
January 58.7 °F
February 60.6 °F
March 61.1 °F
The most rainy months:
September 1 day
March 1 day
January 1 day
The most windy months:
March 13 mph
January 13 mph
November 12 mph

Siesta on the Weather Map

24 Hours Weather Forecast
Siesta
Local time: 21:44
06 aug, thursday
0000 84°F
NW
5 mph
0300 84°F
N
4 mph
0600 82°F
N
0 mph
0900 86°F
NW
4 mph
1200 88°F
NW
6 mph
1500 88°F
NW
8 mph
1800 88°F
N
9 mph
2100 86°F
NW
1 mph