Oyem's climate is characterized by a relatively constant temperature throughout the year, with slight variations between seasons. During the dry season, which spans from June to September, temperatures range from 20-30°C, with July and August being the coolest months. The start of the dry season in June marks a gradual increase in temperature, reaching its peak in March and April, with temperatures often soaring above 32°C. As the dry season transitions into the wet season in October, temperatures remain relatively consistent, before dipping slightly during the late part of the year. Overall, Oyem's climate is warm to hot throughout the year, with minimal seasonal changes.