The ideal time to visit Dirang Dzong in Dirang, Arunachal Pradesh, is between the months of March to May when the weather is pleasantly cool and the natural beauty of the region is at its peak. During these months, the temperature ranges from 20°C to 30°C, providing a comfortable climate for exploring and sightseeing. The spring season brings out the full bloom of rhododendrons and other regional flora, painting the landscape in vibrant colors which is especially appealing for nature enthusiasts and photographers.
Another favorable period is from September to November, during the autumn when the monsoon rains have receded, leaving the air fresh and the surroundings clear. This is also the time when the valley is lush and green, perfect for outdoor activities like trekking and bird watching. The temperatures during these months are moderate, ranging from 10°C to 20°C. However, it is good to remember that Dirang Dzong is situated at a higher elevation and the weather can be quite unpredictable, so it's advisable to always be prepared with warm clothing.