Measurements:
°C
°F
Islantilla
62°F
E 6 mph
Feels like: 62°F
Precip: 0%
World Resorts Spain Islantilla Weather

Islantilla Sea Water Temperature

Current Sea Water Temperature:
+58.6°F
Maximum Sea Water Temperature in February: 65.4°F
Minimum Sea Water Temperature in February: 57.4°F
Average water temperature in February: 60.2°F

Sea Water Temperature for the Last 10 Days:

February 18 58.6°F February 13 59.4°F
February 17 58.6°F February 12 58.8°F
February 16 58.6°F February 11 58.8°F
February 15 58.4°F February 10 58.0°F
February 14 59.0°F February 09 57.8°F

When is the Warmest Sea for Islantilla?

According to our data for the last three years for Islantilla 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 Islantilla was 77.4°F. The maximum and minimum values were 70.4°F and 81.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Islantilla was 74.6°F. The maximum and minimum values were 64.4°F and 81.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Islantilla was 68.8°F. The maximum and minimum values were 64.8°F and 73.8°F respectively.

Best Time to Visit Islantilla
The most sunny months:
July 31 days
August 30 days
June 25 days
The most warm months:
July 91.3 °F
August 90.7 °F
June 84.0 °F
Warmest sea temperature:
August 74.6 °F
July 73.8 °F
September 71.9 °F
The most cold months:
January 60.0 °F
December 61.9 °F
February 63.6 °F
The most rainy months:
March 2 days
November 2 days
December 2 days
The most windy months:
March 9 mph
January 9 mph
June 9 mph

Islantilla on the Weather Map

24 Hours Weather Forecast
Islantilla
Local time: 11:27
18 feb, wednesday
1200 62°F
E
6 mph
1500 64°F
E
11 mph
1800 58°F
E
12 mph
2100 56°F
E
9 mph
19 feb, thursday
0000 52°F
SE
11 mph
0300 48°F
S
11 mph
0600 46°F
S
7 mph
0900 50°F
S
10 mph