In Seto, Japan's winters are chilly but not extremely cold, with January and February averaging around 5-7°C, while December is similarly mild. As spring arrives in March, temperatures rapidly rise, reaching an average of 12°C, with April and May enjoying warm days up to 28-31°C. Summer months from June to August are hot, with July and August often seeing temperatures above 30°C, although September's warmth is tempered by its return to more moderate averages. Autumn brings a welcome cooler period, with November averaging around 13°C before the winter chill returns in December.