Live-Entscheidung für Lisboa. Alle 30 Minuten aktualisiert.
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Lisboa has a subtropical Atlantic climate — warmer and sunnier than northern oceanic cities but tempered by consistent Atlantic airflows that moderate heat extremes. Summers are warm (25–30°C) and drier, winters mild (10–15°C) and wet. The combination of sunshine and Atlantic breeze makes for genuinely good ventilation conditions across most of the year. Spring and autumn — April through June and September through October — are the best seasons: outdoor temperatures of 16–22°C, moderate humidity, and clean air from Atlantic wind systems.
Summer management in Lisboa: on the hottest inland days, the morning ventilation window (6–9 AM) is effective, while late afternoons may be too warm for passive cooling unless a sea breeze is present. The Atlantic acts as a natural temperature regulator — coastal positions benefit from consistent onshore breezes that urban inland areas don't receive. Air quality in Atlantic-facing cities is among the cleanest in Europe, with persistent airflows flushing pollutants. Occasional peaks occur during extended calm anticyclonic periods in winter, when traffic emissions accumulate without dispersal. OpenWindow.live identifies these infrequent but genuine air quality events.
In Lisboa sind frühmorgens (5–8 Uhr) und spätabends (nach Sonnenuntergang) meist am besten, wenn die Außentemperatur unter die Innentemperatur fällt.
In den meisten Fällen ja. Lüften kann die Innentemperatur in 30 Minuten um 2–5°C senken, wenn die Außenluft kühler ist.
Über 80% wird die Luft beim Lüften schwül. Besser auf trockenere Stunden warten.