The Shell Museum in Diu, known for its vast and unique collection of sea shells, is a notable attraction for nature enthusiasts and marine lovers. The ideal time to visit the Shell Museum is during the winter months, which span from October to March. During this period, Diu experiences a mild and pleasant climate that is well-suited for exploring the museum and surrounding attractions without facing the harsh summer heat or the intermittent monsoon rains. The temperature during winter usually ranges from 20°C to 28°C, offering a comfortable environment for visitors to spend ample time admiring the extensive variety of shells.
Additionally, if you are planning a visit to coincide with local festivities, you might consider planning your trip around the vibrant Nariyal Poornima (Coconut Full Moon) festival, which takes place in the latter part of August or early September. This festival marks the onset of the fishing season and Diu's coastline comes to life with celebrations. However, note that the weather during this time can be a bit humid and rainy, as it coincides with the tail-end of the monsoon. Whenever you choose to visit, make sure to check the museum's opening hours and any public holiday schedules to ensure a smooth and enriching experience.