The best time to go to Santa Isabel, Puerto Rico, is during the dry season, which runs from December to April.During these months, you'll experience pleasant temperatures, typically ranging from 24°C to 29°C, with less humidity and a lower chance of rain. This makes it ideal for enjoying outdoor activities like exploring the local beaches or visiting the nearby nature reserves without the interruption of tropical showers. The sunny weather is superb for couples looking for a relaxing escape by the sea or for those wanting to explore the island's natural beauty.May and November are also good options, offering a balance between good weather and fewer crowds.