Winters in Shibuya are chilly, with temperatures often below freezing from January to March, averaging around 4-12°C. As spring approaches, temperatures gradually rise, reaching averages of 14-19°C by May and June. Summer months bring sweltering heat, with July and August often seeing highs above 30°C, although temperatures can dip slightly at night. Autumn brings a return to mild weather, with September and October averaging around 17-22°C before cooling down again in November and December.