The best time to go to the Isle of Lismore is from late spring to early autumn, specifically between May and September, when the weather is at its most favourable.
During these months, you'll experience longer daylight hours and generally milder temperatures, making it ideal for exploring the island's outdoors. This period also sees the most frequent ferry services, offering greater flexibility for your travel plans.
For those who enjoy hiking and cycling, June, July, and August are particularly good. The island's walking trails are dry, and the flora is in full bloom, offering beautiful scenery. You can comfortably spend your days discovering historic sites like the Broch of Tirefour or enjoying the views from the island's many viewpoints.
If you prefer a quieter experience with fewer crowds, May and September are excellent choices. The weather is still pleasant for outdoor activities, but the island feels more peaceful.