Spring (April-May): Pleasant temperatures (10-18°C), blooming parks, and fewer crowds make this an ideal time for sightseeing. The city awakens with outdoor cafe culture and park activities.
Summer (June-August): Warmest weather (20-25°C) with occasional hot spells. Peak season brings festivals, open-air concerts, and vibrant street life. Parks fill with locals, and beer gardens thrive. Book accommodations early.
Autumn (September-October): Comfortable temperatures (10-18°C), stunning foliage in parks, and cultural season begins with opera and concert premieres. October 9th commemorates the peaceful revolution with special events.
Winter (November-March): Cold (0-5°C) but magical during Christmas market season (late November-December). January-February are quietest with lowest prices. Indoor attractions like museums and concert halls shine. Pack warm layers.
Best Overall: May, September, and early October offer the best balance of weather, events, and manageable crowds.