Overview: La SerenaLa Serena (Chile) in general has a hot climate. The day temperatures range from 16 °C (60 °F) in July to 23 °C (73 °F) in February. The least rainy month in La Serena is December with its 0 days of rain, the rainiest month is July, when it rains 2 days. The highest night temperatures could be experienced in February with 16 °C (60 °F), the lowest in July with 8 °C (46 °F). The highest sea temperatures in La Serena are in February with 17 °C (63 °F) and the lowest in August with 13 °C (56 °F).