Spring (March-May): Ideal season with pleasant 15-25°C temperatures. Cherry blossoms peak in early April. Gardens and parks showcase flowers. Light clothing needed. West Lake experiences magical morning mists. Higher tourist crowds. Accommodation fills quickly.
Summer (June-August): Hot and humid, 28-35°C with occasional heavy rain. Less ideal for sightseeing. Tea leaf picking season ends. Summer festivals occur. Early mornings best for outdoor activities. Evening boat cruises popular. Expect crowded attractions.
Autumn (September-November): Excellent season rivaling spring. Cool, crisp weather 15-25°C. Dramatic clear skies. Chrysanthemums bloom in September-October. Autumn colors peak in November. Ideal for hiking and temples. Perfect photography conditions. Comfortable walking conditions.
Winter (December-February): Cold 0-10°C, occasional snow (rare). Fewer tourists, peaceful atmosphere. Heating in buildings often insufficient. Short daylight hours. Not recommended unless seeking solitude. Spring tea preparation occurs in late winter.