Expats will love the fantastic Mediterranean climate in Barcelona. The city boasts warm, sunny weather during summer and pleasant, cool winters.
Summers in Barcelona can last up to six months, spanning from May to October. In August, the hottest month of the year, the heat can become almost unbearable, and expats may want to take a break from the city. The average temperature in summer is 82°F (29°C).
Winters in the city are extremely mild and snow is rare. Temperatures don't usually get any colder than 50°F (10°C), and average around 59ºF (15ºC) during the day.
While the city doesn't get much rain, the end of summer is generally wetter than the rest of the year, with thunderstorms occurring between August and November.
With long summers and shorter winters, Barcelona generally only has two transitional months in the year, those being April and November. The weather during these months is generally unpredictable, but temperatures will be either rising or falling as the seasons turn.