March to May and September to November is the best trekking season in Nepal. Nepal is the popular destination among nature, culture and adventure lovers. Despite of its small area, Nepal is rich in geographical diversity. From lowlands in Terai to High Mountains, there are diversity in climate, people, language and culture. Nepal, being a home to the world’s highest peaks is the most popular destination for trekking. Mt Everest along with 7 other peaks measuring above 8000 m lies in Nepal. Thousand of trekkers come to Nepal to experience the thrill and adventure of trekking on the foot of high mountains. Everest region and the Annapurna region are the most popular trekking sites. Other Popular Trekking regions are Langtang, Manaslu, Makalu , Manang, Mustang, Dolpo, Gokyo and Kanchenjunga.
March – May : These three months are spring season in Nepal making it ideal season for trekking in Nepal. Clear skies, new blooming flowers in the hills makes the surrounding more terrific. Others parts of the country might be windy and dusty whereas Mountain regions have that perfect temperature and climate for trekking. You will pass by the thousands of trekkers from all over the world. The tea houses and the hotels along the trails are fully occupied during these seasons.
Best trekking season in Nepal is March to May and September to November.
September – November : These are the best months for the trekking which offers stunning view of snowcapped mountains and dramatic landscapes. September marks almost an end to the monsoon and welcomes the perfect weather with clear skies and cool breeze. All the treks are possible in this season. There is low to no rain and moderate temperature making it one of the perfect season for the trekking.
Apart from these 6 months, other half of the year is also good for the trek but it depends on which trek are you going to take.
December – February : During this season, most of the trekking routes are blocked because of high snow fall. These regions are too risky and have very low temperature. Hence, Trekking is not recommended in upper parts. However small treks in lower regions of Annapurna region and Langtang can be done with sufficient warm clothes. If you are planning to trek around this season, you better be careful than sorry.
June – August : Monsoon starts from mid June all over Nepal with 1 -2 hours of daily rain. Some days, it pours down all day long. Rivers are high and some part of the country also experience flood and landslides. This season is considered to be the worst for trekking. With that said, there are some routes where you can enjoy the short trek in monsoon as well . Some of them are Annapurna, Manaslu, Upper Mustang. One can have few comparative advantages while trekking during these months as there will be less crowd in the trails and the tea houses. You will get the food and accommodation in lower price. Amazingly refreshing view of lush forest along the trails covering the hills will be added advantage.