Blessed with a mild Mediterranean climate, Barcelona is ripe any time of year. The Barcelona “brand” holds such a high tourist ranking that the city gets a steady stream of visitors year-round. The optimal times to visit are spring (May and June) and fall (September and October), with clear, sunny days and breezy afternoons that are perfect for strolling or biking around the city.
Summers are long, hot, and humid, but the sea offers the option for a quick reprieve. This period also happens to be the peak of the tourist season, when you’ll encounter the longest lines and biggest crowds. In August, however, locals typically leave the city and many restaurants and shops shut down, to the detriment of local flavor.
Winters are rainy and crisp, but the tourist crowds thin and hotel rates drop.