August is probably the busiest in Barcelona, while about 10% of shops and restaurants may be closed (mid-August to early September), when the owners go on vacation. You will find cheap accommodation and a more peaceful city for a large majority of Spaniards
go on vacation in August. Hotels that remained open, but not their business customers tend to decrease prices and make offers.
Barcelona, the season is a wonderful city, even in the winter months of January and February, so long as the possibility of rain is low. Given the high humidity, temperature 19-23 ° C is comfortable, the temperature is normally between April and June and between
late September to November. This is the best time to visit the city. Something so hot in Barcelona, may feel too hot!