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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Barcelona has a Mediterranean climate with mild winters and hot, dry summers. The live forecast above shows current conditions, but for a longer view, the best beach weather runs from June to September, while spring and autumn offer comfortable temperatures with fewer tourists.
When is the best time to visit Barcelona?
For sunbathing and swimming, July and August are hottest (averaging 28–30°C), though humidity is low thanks to sea breezes. May, June and September are slightly cooler but still pleasant for sightseeing. Winter (December–February) is mild, around 10–15°C, with occasional rain – a good time for lower prices and no crowds.
What should you pack?
In summer, light cotton clothing, sun cream and a hat are essential; evenings can be cooler near the coast. For winter, a jacket and layers suffice. An umbrella is useful from October to April, the wettest months. Comfortable walking shoes are a must year-round for exploring the Gothic Quarter and Montjuïc.
Does it rain a lot in Barcelona?
No – Barcelona averages only about 600mm of rain a year, mostly between October and April. Summer is very dry, with clear skies and little chance of showers, making it ideal for outdoor plans.
What is the sea temperature like?
The Mediterranean off Barcelona reaches about 25°C in August, perfect for swimming. It drops to around 13°C in winter, so only hardy swimmers go in then. The sea is generally calm, especially in summer.
Is Barcelona hot in winter?
No – winter is mild, not hot. Daytime highs average 14–15°C in December and January, with cool nights around 8°C. It’s pleasant for walking but not for beach days, so pack a jacket if visiting then.
For a broader European outlook, see our Paris Weather page or check the 10 Day Weather Forecast UK for comparison. If you’re also checking bbc weather madrid, remember Madrid is inland and gets colder winters and hotter summers than Barcelona. For longer planning, the weather barcelona 14 days forecast is useful, while barcelona weather forecast 30 days gives a seasonal trend. Travellers often search weather in barcelona 10 days or weather barcelona 21 days before booking; note that weather barcelona 21 days bbc and weather in barcelona 15 days forecasts are also available from the live forecast above.