Overview: Puerto Viejo de TalamancaPuerto Viejo de Talamanca (Costa Rica) is a place with a tropical climate. The day temperatures range from 29 °C (85 °F) in November to 32 °C (89 °F) in April. Temperatures during the night go from 21 °C (70 °F) in December to 23 °C (74 °F) in April. Sea temperatures are in the following range: 27 °C (81 °F) in January to 29 °C (84 °F) in June. The least rainy month in Puerto Viejo de Talamanca is March with its 9 days of rain, the rainiest month is July, when it rains 19 days.