Like the rest of Reunion, Saint-Denis has a tropical climate. November to April is hot and rainy, while the rest of the year is slightly cooler and drier. In Saint-Denis the summer temperatures average between 73°F (23°C) and 84°F (29°C), and in winter temperatures average between 64°F (18°C) and 75°F (24°C). Saint-Denis is home to the Indian Ocean's only tropical cyclone monitoring centre, although the island itself is seldom affected. The cyclone season runs from mid-November to mid-April and the island is occasionally affected.Saint-Denis is a pleasant holiday destination year-round and is never cold, though it may be humid and rainy. Travellers generally prefer to visit in the cooler dry season, between May and October.