If you're planning a serene getaway to the lush hills of Deosi Dara in Mirik, the best time to visit this picturesque destination is between March to May and September to November. During these months, the weather in Mirik is incredibly pleasant, with the spring offering blooming flora and temperate climate while autumn presents clear skies and astounding views of the surrounding hills and tea gardens.
For those who wish to see Deosi Dara in all its verdant glory, the post-monsoon months of September and October are ideal as the rains would have contributed to the lushness of the forests and landscapes. During these months, the temperature typically ranges from a comfortable 12°C to 25°C which is perfect for outdoor activities like trekking, sightseeing, and enjoying the natural beauty of the area without the interruptions of heavy rainfall or the chills of winter. Nonetheless, ensure to carry some warm clothing as evenings can become quite cool.