It's possible to swim in the sea at this time of year but it's generally a little too cool for most. The average sea temperature is 21 C.
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It's all possible in Spain. The Costa del Sol and the Cabo de Gata in Andalusia, the Canary Islands, and the Costa Blanca are all destinations where you'll find a climate of eternal springtime practically all year round. You'll find it perfectly possible to take a dip at the beach and then relax in the sun.
You can even sunbathe in October, with an average of seven hours of sunshine. The sun rises at 8.15am at the start of the month and doesn't set until nearly 8pm.
There can be a surprising 'cold drop' in the sea temperatures due to a sudden upwelling of colder water from just off the coast - this happens along the coast from Málaga city to Marbella, it's partially due to the wider currents in the Alboran Sea.
El Faro Beach is one of the most central and famous beaches in all of Marbella. It owes its name to the very same lighthouse that you can see if you spend a day here.
Sea Temperatures in SpainThe warmest water in Spain is in Menorca where water has 26.8 degrees celsius. On the contrary, the lowest temperature is in San Sebastian where water has only 14.6 degrees celsius.
The average temperature in Europe is 21.8°C. The highest current temperature on the continent according to our data, is in Koper (Slovenia) where water has 28.9 degrees celsius. On the other hand the lowest temperature is in Dalatangi (Iceland) where water has 12.1 degrees celsius.
In October, the weather in Costa del Sol is generally pleasant, with average high temperatures ranging from 20°C to 25°C (68°F to 77°F). The sea temperature is relatively warm, making it possible to swim, although the water might feel cooler compared to the summer months.
Even if it's October, don't forget your sandals, swimsuit, the water is still very good. At night you have to wrap up a little more, a light jacket and a light sweater are more than enough. Long-sleeved and short-sleeved shirts. In November take a raincoat, light but closed shoes, sweater, long pants.