Barcelona's Climate
Barcelona lies on the Mediterranean coast of Catalonia and enjoys a mild Mediterranean climate moderated by the sea. Summers (June–September) are warm and humid, with daytime highs of 27–30°C and muggy sea air, while winters (December–February) are mild and rarely drop below 5°C. Unlike arid Madrid, Barcelona is wetter, with rainfall peaking in autumn (September–November) in heavy downpours that sometimes bring thunderstorms. This page offers an hourly and 14-day forecast plus detailed metrics including humidity, wind, UV index and air quality (AQI).