La Rochelle experiences mild winters, with temperatures often ranging from just below freezing to the mid-teens in January and February. As spring approaches, temperatures gradually rise, reaching averages of around 11-14°C by April and May. Summer months are warm, but not hot, with July and August averaging a steady 19°C, while September cools slightly before autumn sets in. Autumn is similar to spring, with mild temperatures that dip back down to around 8°C by November and December. Overall, the region enjoys a temperate maritime climate, with moderate temperature fluctuations throughout the year.