Avg weather in May
14 Hrs per day
50 mm per month
72 % avg
6 Mph avg

Barcelona Weather in May

What’s the weather like in Barcelona in May?

Barcelona weather in May is very warm and pleasant with just a few showers scattered throughout the month. It’s one of the best times to visit Barcelona because it’s not overly hot and temperatures are warm and enjoyable.

Geographical influences

Barcelona enjoys a warm, Mediterranean climate with long, hot summers and mild winters. May is the perfect blend of both seasons without being too cold or too hot. Westerly winds blowing in from the Atlantic often greets the city with cooling breezes. The winds contribute to slightly lower temperatures than those found on Spain’s southern coast.


The average temperature in May is around 20°C, which lowers to 12°C at night. Sunbathing is a great pastime since you’ll have eight hours of sunlight to enjoy per day. If you’re taking a break from the city and heading to the beach, you can expect an average sea temperature of 18°C. Humidity levels are mild at 56% but have been known to rise to around 89% at times. There isn’t much rain, with just 20mm spread over four rainy days of the month.

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