World Resorts Spain Siesta Weather

Siesta sea water temperature

Current sea water temperature:
+72.1°F
Minimum sea water temperature in May: 72.5°F
Maximum sea water temperature in May: 61.3°F
Average sea water temperature in May: 66.5°F

Sea water temperature for the last 10 days:

May 30 72.1°F May 25 70.2°F
May 29 72.5°F May 24 69.6°F
May 28 71.8°F May 23 69.1°F
May 27 71.8°F May 22 68.2°F
May 26 71.1°F May 21 66.7°F

When is the warmest sea in Siesta?

Based on the data about daily sea water temperature for the last three years the warmest sea in Siesta was noticed in August, July and September.

Monthly Sea Temperatures in Siesta, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 82.6°F and 79.0°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 81.3°F. The highest and lowest sea temperatures during the month were 83.3°F and 79.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.8°F.

Best time for vacation in Siesta

Sunniest months:
July 28 days
August 27 days
June 25 days
Warmest months:
August 84.8 °F
July 84.5 °F
September 79.2 °F
Warmest sea temp:
August 81.5 °F
July 79.5 °F
September 79.2 °F
Coldest months:
January 57.8 °F
February 59.6 °F
March 60.0 °F
Rainiest months:
January 1 day
October 1 day
September 1 day
Windiest months:
March 13.3 mph
January 13.1 mph
November 12.9 mph

Siesta on a weather map

Siesta
+75°F
NE 3 mph
Feels like: +77°F
Precip.: 0%
Places in Spain:
Name
°F
+75°F
+73°F
+73°F
+66°F
+75°F
+72°F
+68°F
+88°F
+75°F
+70°F
+64°F
+75°F
+68°F
24 Hours Forecast
Siesta
Local time: 20:33
May 30, saturday
2100
75°F
NE
3 mph
May 31, sunday
0000
73°F
SE
1 mph
0300
73°F
N
4 mph
0600
72°F
NE
4 mph
0900
75°F
E
2 mph
1200
77°F
N
3 mph
1500
79°F
N
8 mph
1800
79°F
N
8 mph
Units of measurement: °C / °F