Under the Köppen climate classification, Basseterre features a tropical rainforest climate. As is the characteristic of cities with this climate, temperatures remain constant throughout the course of the year, with temperatures averaging  year-round.  Basseterre has no dry season; all 12 months on average see more than 60 mm (2.36 in.) of precipitation. On average, 1700 mm (66.93 in.) of rain falls on the city annually.