Current sea water temperature:
+59.7°F
| Minimum sea water temperature in December: | 64.4°F |
| Maximum sea water temperature in December: | 57.6°F |
| Average sea water temperature in December: | 61.0°F |
| more information | |
14 days
forecast
forecast
| Islantilla |
monthly
weather
weather
| Islantilla |
Sea water temperature for the last 10 days:
| December 24 | 59.7°F | December 19 | 59.9°F |
| December 23 | 59.7°F | December 18 | 60.3°F |
| December 22 | 59.5°F | December 17 | 59.9°F |
| December 21 | 59.9°F | December 16 | 59.2°F |
| December 20 | 59.5°F | December 15 | 59.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Islantilla?
Based on the data about daily sea water temperature for the last three years the warmest sea in Islantilla was noticed in August, July and September.
Monthly Sea Temperatures in Islantilla, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 78.4°F and 68.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.1°F. The highest and lowest sea temperatures during the month were 78.6°F and 63.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 71.4°F and 63.3°F.
current
weather
weather
| Islantilla |
weather in
December
December
| Islantilla |
Best time for vacation in Islantilla
Islantilla on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Islantilla
Local time: 11:04
December 24, wednesday
1200
54°F
SW
6 mph
6 mph
1500
55°F
N
1 mph
1 mph
1800
54°F
E
6 mph
6 mph
2100
50°F
SE
8 mph
8 mph
December 25, thursday
0000
48°F
S
7 mph
7 mph
0300
46°F
S
7 mph
7 mph
0600
46°F
S
6 mph
6 mph
0900
45°F
S
5 mph
5 mph
