Islantilla weather

Our guide to the weather in Islantilla during May

24

Average high

6

UV Index

35mm

Monthly rainfall

18

Sea temperature

We've looked at the most up-to-date weather data for Islantilla, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Islantilla weather in May.

How warm is it in Islantilla during May?

The temperature reaches around 24℃ during the daytime in May, falling away to 15℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Islantilla during May?

On average, there will be 2 rainy days during the month, amounting to 35.3mm in total. That's much drier than we see in England during August, and therefore not something to be concerned about. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Islantilla during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in Islantilla during May?

The water around Islantilla is around 18℃ during May. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

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Weather in Islantilla

Our month-by-month guide to the weather and climate in Islantilla

15.5

Islantilla weather in

January
16.4

Islantilla weather in

February
18.1

Islantilla weather in

March
20.2

Islantilla weather in

April
24.4

Islantilla weather in

May
27.6

Islantilla weather in

June
30.8

Islantilla weather in

July
31.5

Islantilla weather in

August
28.2

Islantilla weather in

September
24.7

Islantilla weather in

October
19.3

Islantilla weather in

November
16.8

Islantilla weather in

December