The best time to visit Skellig Michael is during the summer months, specifically from May to September, when the landing tours operate.This period generally offers the most favourable weather conditions for the boat journey to the island and for climbing the ancient steps. The seas are typically calmer, making the crossing more comfortable and reducing the chances of tours being cancelled due to rough weather.For nature enthusiasts and bird watchers, mid-May to July is particularly special. This is when the puffins are nesting on the island, and you'll have the chance to see these fascinating birds up close. The island's cliffs are bustling with activity during this time, providing a unique wildlife experience.Later in the season, from August to September, the puffins begin to depart, but the weather often remains pleasant, and the crowds can be slightly smaller.