Overview: TaiwanTaiwan is a region with a tropical climate. The day temperatures range from 21 °C (71 °F) in January to 32 °C (89 °F) in July. The highest night temperatures could be experienced in July with 25 °C (77 °F), the lowest in January with 15 °C (59 °F). The least rainy month in Taiwan is December with its 11 days of rain, the rainiest month is August, when it rains 17 days. Sea temperatures are in the following range: 23 °C (73 °F) in February to 29 °C (83 °F) in July.