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Munich (München) sits at 520 metres in the Alpine foothills, giving it a cooler, cleaner climate than northern German cities and a distinctive atmospheric phenomenon: the Föhn. This warm, dry southerly wind can raise temperatures by 10–15°C in hours, bringing sudden warmth in any season and unusually clear skies where the Alps are visible from the city centre.
Föhn days are excellent ventilation opportunities — air quality is outstanding and the pressure inversions that normally trap urban pollution are broken. Munich has some of Germany's best outdoor air quality year-round (AQI typically 10–25), helped by its elevation, Alpine proximity, and Bavaria's strict environmental standards.
Bavarian winter ventilation follows the Stoßlüften tradition. The cold Alpine air (−5 to 5°C from November to March) is clean and dry — brief ventilation effectively refreshes indoor CO₂ without significant heat loss if done quickly. Munich's thick-walled building stock retains heat well between ventilation bursts.
A München, i momenti migliori per ventilare sono di solito al mattino presto (5–8) e dopo il tramonto, quando la temperatura esterna scende sotto quella interna.
Sì, nella maggior parte dei casi. Aprire le finestre può abbassare la temperatura interna di 2–5°C in 30 minuti se l'aria esterna è più fresca.
Sopra l'80% di umidità, aprire le finestre rende l'aria appiccicosa. Meglio aspettare ore più asciutte.