Best time to visit Munich: May–September.
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May–September is the best window to visit Munich. Warm weather for beer gardens and day trips to the Alps.
November–February is the stretch to avoid if possible. Cold and grey — Oktoberfest itself actually runs September into early October, and gets very crowded.
Not necessarily — weather and crowd timing don't always match the cheapest airfare windows. Check our Best Time to Book Flights tool separately for pricing.
Usually yes — the weeks just before or after Munich's best window often have nearly as good weather with noticeably fewer crowds and lower prices.