Usually most of the information in web pages and trekking and travel agencies in Nepal suggests fall and spring seasons are the best time to trek in Nepal but Nepal offers some of the best monsoon treks as well that offers very peaceful treks without a crowd. It is always while the fall season may have the clearest skies, trekking during the summer (from end of May through June, July and August) has its own rewards. Some treks should be avoid, but for certain areas, it has great time to visit Nepal: the trails are less crowded, the villages are full of life and the valleys are in bloomed and green whereas winter and spring is dry and grey.
Trekking in Nepal during the monsoon season or the summer spans from the beginning of June to the August and sometimes until early September has heavy rainfall in most of parts of Nepal and the roads and trekking paths become wet and muddy and the weather is the most important factor for the trekking so, there are noticeable risk of land slide, flood and trail and road blocks on your trekking route so, we have selected only few treks for the season where there is less risk of these factors.
Cultural city tours such as Kathmandu tour, Pokhara tour, Lumbini and Safari in Chitwan National park have no issues and they are accessible and very doable all around the year and some small treks such as the Chisapani Trek, Nagarkot Trek, Saranngkot Hike, Ghandruk Trek, Ghorepani Poon Hill Trek are possible on monsoon in Nepal. The best selected treks in Monsoon are Upper Mustang, Upper Dolpo, Nar Phu Valley, Lower Mustang, Half part of Annapurna Circuit and Manaslu Circuit which are said to be under the rain shadow. Monsoon trek can be best for botanical keens. Wilderness Excursion offers 7 best following monsoon and summer season treks in 2019 and 2020. Find bellow some packages listed as monsoon and summer treks that can be done in May, June, July and August.