Summer (June-August): Warmest period with temperatures 18-22°C. Long daylight hours enable extended exploration. Peak tourist season brings vibrant atmosphere with outdoor events and festivals. Beach activities and outdoor dining at their best.
Spring (April-May): Mild temperatures 9-15°C with blooming flowers and gardens. Fewer crowds than summer. Good for walking tours and enjoying parks as vegetation awakens.
Fall (September-October): Pleasant temperatures 10-17°C with autumn colors. Harvest season brings special food events. Shorter days but atmospheric conditions for photography.
Winter (November-March): Cold temperatures -2 to 4°C with possible snow. Christmas markets and seasonal decorations create festive atmosphere. Museums become primary attractions. Most museums offer holiday programming.
Best Overall: May-June or September-October for pleasant weather, manageable crowds, and full attraction accessibility.