The best time to visit Fossa is from late spring to early autumn, specifically May to September, when the weather is at its most pleasant.During these months, you'll experience milder temperatures and longer daylight hours, which are ideal for exploring the natural beauty of County Kerry. This period also sees less rainfall compared to the rest of the year, making it great for outdoor activities like hiking, cycling, or enjoying the lakes.Couples looking for an active and scenic getaway will find May, June, and September particularly appealing. These months offer comfortable conditions for exploring the Ring of Kerry or the Killarney National Park without the peak season crowds of July and August. You'll have more space to enjoy the walking trails and boat trips on the lakes.Families often prefer July and August. While these months are the busiest, they coincide with school holidays and offer the warmest weather, which is great for children.