The best time to visit Ihosy is during the dry season, which runs from April to October.
During these months, you'll experience pleasant, sunny weather with less humidity and minimal rainfall, making it ideal for exploring the surrounding natural landscapes and enjoying outdoor activities. The temperatures are generally warm but comfortable, typically ranging from 20°C to 28°C. This period is particularly good for those planning to visit Isalo National Park, as the trails are dry and easily navigable.
For travellers interested in local culture and community events, planning your trip between May and September might offer additional experiences, as these months often coincide with various regional festivals and markets.