Himeji's climate is characterized by mild winters, with January being the chilliest month, averaging around 7°C. Spring arrives in April, bringing warmer temperatures that rise steadily throughout the season, peaking at an average of 15°C. Summer months from June to August are hot and humid, with July and August often reaching highs above 30°C. Autumn is a welcome respite from summer's heat, with September experiencing a slight drop in temperature before October returns to warmer averages. Winters are generally mild, but December can be quite cool, averaging around 10°C.