Grand-Popo, Benin experiences a warm and relatively consistent climate year-round. The dry season typically begins in February and lasts until July, with temperatures ranging from 21-36°C (average 27-30°C). June and July are the coolest months, but still pleasant for outdoor activities. The wet season starts in August and continues through October, although temperatures remain warm during this period, peaking again in November. Overall, the temperature variation is moderate, with a gradual increase from March to May and a slight decrease from December to February.