Décision en direct pour Barcelona. Mise à jour toutes les 30 minutes.
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Barcelona's coastal Mediterranean climate differs from Madrid's in one key way: humidity. Sitting on the coast, Barcelona has maritime moisture that makes summer heat feel more oppressive than equivalent temperatures inland. August regularly brings 30°C with 70–75% humidity — a combination that makes ventilation less refreshing than the temperature alone would suggest.
The Tramuntana wind from the north is Barcelona's natural air conditioning. When it blows — typically in spring and autumn — it clears pollution and drops humidity rapidly. Those are the days when opening windows genuinely transforms your apartment. The Xaloc, a hot south wind from the Sahara, does the opposite and offers no ventilation benefit.
Air quality in Barcelona is a persistent challenge: the city regularly ranks among Europe's most polluted due to dense traffic, port activity, and its sheltered valley geography. Summer ozone and winter particulates frequently push AQI above 50. The real-time AQI component of OpenWindow.live is especially important for Barcelona residents.
À Barcelona, les meilleurs moments pour aérer sont généralement tôt le matin (5–8h) et le soir tard, quand la température extérieure passe sous celle de l'intérieur.
Oui, dans la plupart des cas. Ouvrir les fenêtres peut faire baisser la température intérieure de 2–5°C en 30 minutes si l'air extérieur est plus frais.
Au-dessus de 80%, ouvrir les fenêtres rend l'air collant. Mieux vaut attendre des heures plus sèches.