The best time to visit these islands is between January and April because of the cooler temperatures that can be found during this time period. This is also the dry season on the islands. The rainy season for the islands is between June and December. However, when it rains, it doesn't last for more than an hour or so and it only rains a few days of the week. You can visit this island any time of the year and you should be aware that the summer and the holidays are likely to be more crowded because people will be going on summer holidays and trying to escape the cold during the winter. However, you can try to get best possible deals you can find and you should make sure to do your research.