In Yichun, spring brings mild temperatures, gradually warming up from the cool winter months. By April, temperatures rise to around 10-15°C, with occasional cooler days still present. Summer is warm and humid, with July highs often reaching a sweltering 28-30°C, though evenings can be quite pleasant. Autumn is characterized by comfortable temperatures, typically ranging from 5-18°C in September, before cooling down further into winter.