Spring (April-May): Pleasant temperatures 15-20°C, gardens blooming, annual Flower Festival on Piac Street. Summer (June-August): Warm 20-28°C, perfect for thermal baths and outdoor activities, cultural events and concerts. Autumn (September-October): Comfortable 10-18°C, fewer crowds, beautiful foliage. Winter (November-February): Cold -2 to 4°C, fewer tourists, thermal baths especially appealing, occasional snow adds charm.
Peak Season: June-August when prices rise and crowds increase. Best Value: April-May and September-October offer ideal balance of weather and fewer tourists.