Royal Nepal Group

Travel, Trek & Expedition

Weather & Climate of Nepal


Weather and Climate of Nepal – Best trekking seasons in Nepal 

Thinking or planning for a trip to the Himalaya the obvious question that strikes is; when is the best time to trek in Nepal. Deciding the best time to trek in Nepal is tricky affair as Nepal has immense variation in its climate. Each Himalayan season has its own set of pros and cons. The lowland plains are tropical, the midland hills are temperate, and the high mountains have sub-arctic and arctic conditions. For trekkers, the fall and the spring offer the best clarity (mountain views are a big reason why we travel to Nepal) and mild temperatures with the least precipitation. We are certain that with our carefully compiled information you give you a clear idea for picking up the best trekking season.  This will give an exact insight and a clearer idea for making out the best while trekking in Nepal. 


Nepal generally experiences four climatic seasons, which are classified as under: – 

(a) Spring Season: March-May, 

(b) Summer Season (Monsoon): June-August, 

(c) Autumn/fall Season: September-November 

(d) Winter Season: December-February. 


Autumn: September-November 

The months of October and November are considered to be the peak trekking season in Nepal. During autumn season, the climate is dry, therefore, offers the clearest skies, least rain and this is harvesting season. The greatest and biggest Nepalese festival of Dashain and Tihar also falls in these months. The temperatures are mild, the weather is relatively stable, and skies remain clear throughout. This gives uninterrupted vies of the mountains far and wide. This is regarded to be the busiest tourism season. The main tourist centres, and trekking trails tend to be crowded with travellers. 


Day temperature range: – September 27 degrees; whereas in November: 19 degrees 


Night temperature range: -September: 18 degrees; whereas in November: 3 degrees 

Winter: December-February 


December through to March is the coldest time in the Himalaya if you are here for trekking. The temperatures fall drastically and are always a good idea to carry plenty of warm layers for trekking during December. Despite the cold climate, the trails are quaint and the skies often crystal clear to lens the magic of the mountains. It is less frequented by most of the travellers to avoid cold. It is very cold during morning and evening, while the afternoon is pretty sunny. 


Day temperature

Range: – December: 19 degrees; whereas in February: 20 degrees 

Night temperature range: -December: 3 degrees; whereas in February: 4 degrees 

Spring: March-May 

During spring season, the weather is warm enough and often hazy. It is the second busiest time of the year to trek in Nepal. The days are long, daytime temperatures are warm to hot, with occasional rains. All along the trails you will be dazzled by the raging rhododendron blooms. It is very good time to trek, as snow melts at the upper altitudes. 


Daytime temperature

Range: – Mar: 24 degrees; whereas in May: 28 degrees 

Night temperature range: – Mar: 8 degrees; whereas in May: 16 degrees 


Summer Season: June to August.


During the summer or the monsoon season, that stretches from June to late September the temperatures remain high with heavy, intermittent rainfall. The heavy rains are an everyday possibility which floods the trails and cause mud slides. These natural hindrances make it an unfavourable time for trekking in Nepal. However, by the end of the monsoon season, the countryside is adorned in the colours of green which is soothing and refreshing. 

Daytime temperature

Range:-Jun: 28 degrees; whereas in September: 27 degrees 

Night temperature range: – Jun: 19 degrees; whereas in May: 18 degrees