Why Germany rewards careful timing.
Germany is Europe's most populous country (84 million people) and its most economically central, but it's also surprisingly compact in tourist terms. Berlin to Munich by ICE train is 4 hours; Berlin to Frankfurt 4 hours; Munich to the Black Forest 3 hours. You can build a 2-week trip across four radically different regions without a single domestic flight.
Five distinct climate zones operate in parallel. Berlin and the north run continental-Atlantic, moderate, often grey, four-season weather; Munich and Bavaria run continental-alpine, colder winters, warmer summers, Foehn winds bringing dramatic temperature swings; the Rhine-Moselle wine valleys run temperate-microclimate, protected from cold winds by surrounding hills, the country's mildest reliable weather; the Black Forest runs temperate-mountain, wetter and cooler than the Rhine valleys 30 km west; the North Sea coast and Hamburg run oceanic-Atlantic, wind, rain, drama, and grey winters that feel like Britain.
Germany's shoulder seasons are unusually long. Spring runs early-April through late June; autumn from early September through late October. The country looks its best in May (cherry blossoms in Bonn, asparagus season at peak, beer gardens opening, daylight stretching past 21:00) and October (vineyards copper-gold, foliage at peak in the Black Forest and Harz, wine harvest festivals weekend after weekend).
Christmas market season is the country's largest cultural event. Markets open the last weekend of November (Nuremberg around November 27, Berlin around November 22) and run through December 23. The biggest crowds and most atmospheric markets are in Nuremberg, Dresden (Striezelmarkt, since 1434), Cologne (multiple markets near the Cathedral), Munich, and Rothenburg ob der Tauber. Smaller traditional markets in Quedlinburg, Bamberg, Esslingen (medieval-themed), and Lübeck reward the slower traveler.
Oktoberfest is Munich-specific and runs 16 days, ending the first Sunday of October. It's not a beer festival held in October, it actually starts mid-to-late September. Hotel prices in Munich and across Bavaria triple during Oktoberfest, with full sell-outs 60–90 days ahead. If you're not coming for the festival, avoid Munich during these dates, pricing is brutal and the city is genuinely chaotic.
Germany is mid-range Europe, cheaper than France, the UK, Switzerland, or the Nordics; comparable to Italy outside Venice/Amalfi; more expensive than Spain or Portugal. Mid-range hotels run €90–140/night in Berlin, €120–220 in Munich. Munich is 30–40% more expensive than Berlin across hotels, restaurants, and entertainment.