Islantilla weather

Our guide to the weather in Islantilla during January

16

Average high

4

UV Index

52mm

Monthly rainfall

15

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 January.

What's the temperature like in Islantilla during January?

January is typically the coolest month in Islantilla. The temperature reaches around 16℃ during the daytime, falling away to 9℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Islantilla during January?

On average, there will be 3 rainy days during the month, amounting to 51.5mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Islantilla during January?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during January. With moderate air temperatures, any breeze will feel cool.

How warm is the sea in Islantilla during January?

The water around Islantilla is a bracing 15℃ during January and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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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