Shimotsuke experiences a temperate climate with distinct seasonal changes. Winters are chilly, with temperatures often below freezing in January and February, but gradually warming up by March. Spring arrives in April, bringing mild temperatures that rise steadily into May, which is characterized by warm days and cooler nights. Summer months from June to August are hot and humid, with temperatures frequently reaching the mid-30s. Autumn brings a welcome relief from the heat, with temperatures cooling down significantly by October, returning to more autumnal conditions.