Higashi-osaka's climate is characterized by mild winters and hot, humid summers. January and February are the coolest months, with temperatures averaging around 6-7°C, while occasional cold snaps can bring temperatures down to as low as -4°C. Spring brings rapid warming, with March and April temperatures rising to averages of 11-14°C, and May is even warmer, with average highs reaching up to 19°C. Summer months are hot and humid, with July and August often seeing temperatures soar above 35°C, although they rarely drop below 4°C at night. Autumn sees a return to milder conditions, with November and December temperatures averaging around 13-8°C.