Winters in Tokushima are mild, with temperatures rarely dropping below freezing and averaging around 6-8°C. Spring brings steady warming, with temperatures gradually increasing by about 3-4°C each month, reaching an average of 15°C by April. Summer is hot and humid, with July and August often seeing temperatures above 30°C. Autumn is relatively cool, with temperatures dropping back down to around 10-14°C in October before rising again in November. Frosts are rare during the winter months, but can occur occasionally in December.