Measurements:
°C
°F
Siesta
90°F
NE 9 mph
Feels like: 98°F
Precip: 4%
World Resorts Spain Siesta Weather

Siesta Sea Water Temperature

Current Sea Water Temperature:
+86.4°F
Maximum Sea Water Temperature in July: 87.4°F
Minimum Sea Water Temperature in July: 77.6°F
Average water temperature in July: 83.0°F

Sea Water Temperature for the Last 10 Days:

July 16 86.4°F July 11 85.2°F
July 15 85.4°F July 10 84.8°F
July 14 85.2°F July 09 85.0°F
July 13 85.6°F July 08 84.8°F
July 12 85.2°F July 07 84.8°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 84.8°F. The maximum and minimum values were 83.6°F and 86.4°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 28 days
August 27 days
June 25 days
The most warm months:
August 88.7 °F
July 88.3 °F
September 82.4 °F
Warmest sea temperature:
August 85.0 °F
July 82.8 °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: 18:53
16 jul, thursday
2100 84°F
NE
6 mph
17 jul, friday
0000 84°F
NW
7 mph
0300 82°F
NE
8 mph
0600 80°F
E
6 mph
0900 86°F
SE
4 mph
1200 90°F
NW
2 mph
1500 90°F
N
6 mph
1800 90°F
N
8 mph