Barcelona weather

Our guide to the weather in Barcelona during August

29

Average high

6

UV Index

55mm

Monthly rainfall

26

Sea temperature

We've looked at the most up-to-date weather data for Barcelona, 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 Barcelona weather in August.

How warm is it in Barcelona during August?

August is typically the hottest month in Barcelona. The temperature hits about 29℃ during the day, falling away to a balmy 23℃ 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 Barcelona during August?

On average, there will be 3 rainy days during the month, amounting to 55.4mm 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 Barcelona during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate humidity, any breeze will have a welcome cooling effect.

How warm is the sea in Barcelona during August?

The water around Barcelona reaches a very pleasant 26℃ during August. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature will mean that you will feel comfortably warm when coming out of the water.

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Weather in Barcelona

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

13.2

Barcelona weather in

January
14.0

Barcelona weather in

February
15.7

Barcelona weather in

March
17.6

Barcelona weather in

April
21.2

Barcelona weather in

May
25.5

Barcelona weather in

June
28.3

Barcelona weather in

July
28.5

Barcelona weather in

August
25.7

Barcelona weather in

September
22.1

Barcelona weather in

October
17.3

Barcelona weather in

November
14.3

Barcelona weather in

December