Average monthly temperatures

Islantilla enjoys a Mediterranean climate with long hot summers and relatively short mild winters.
If you love to follow the sun the best time to go to Islantilla is between June and September.
The hottest month of the year is July with an average daily maximum of 34 C and an average low of 21 C.
The coolest month of the year is January with an average daily maximum of 16 C and an average low of 6 C.

Sunshine and rainfall

The driest month is June with 0 mm of rainfall and 30 perfect sunny days. The wettest month is December with 22 mm of rain over 2 days.

Best time to be on the beach

For beach lovers water temperatures are best at 23 C or above from June to October.