Ouinhri, Benin experiences a relatively constant climate throughout the year. The temperature remains steady, with an average of around 26-29°C across all months. During the dry season, which spans from December to May, temperatures range between 21-38°C, with minimal variations in temperature fluctuations. As the wet season sets in from June to November, temperatures slightly decrease, ranging from 20-34°C. The coolest months are July and August, but even then, temperatures rarely drop below 22°C.