Atsugicho, Japan experiences a cold winter with temperatures often dropping below -30°C in January and February. As spring approaches, temperatures rise gradually, reaching up to 24°C by March and 26°C by April. Summer brings warm weather, with July and August being the hottest months, with temperatures occasionally soaring above 35°C. Autumn is mild, with September experiencing a slight drop in temperature before the cold winter returns in November and December.