Shibuya-ku's climate is characterized by mild winters, with temperatures fluctuating between -7°C and 18°C in January. Spring brings gradual warming, with March averaging 12°C and April reaching highs of 26°C. Summers are warm to hot, with July and August often seeing temperatures above 35°C. Autumn is generally mild, with September's average temperature cooling down to 22°C before dropping again in November. Winters can be quite chilly, with January's average dipping back down to around 4°C by December.