Nepal has mainly four major six seasons, but for tourism , Nepalese consider four seasons as worldwide, i. e. Winter, Spring, Summer and Autumn. Winter falls on December to February,  Spring is on March to May. Like wise  June to August and September  to November is the period of  Summer and Autumn respectively.

Spring season is the best for climbing super high mountains and other small peaks.

For trekking spring and Autumn both are  the best season , although Trek and tour in Nepal can be done all around the year in any season.  You can select the destination of your choice and also choice a fully organized camping trek and tea house lodge trek.  Tea house trek is suitable for the small group in popular trekking area, where there is facilities of tea house lodges. A fully organized trek is necessary where there is no facility of tea house lodges. In this kind of trek, trekkers walk in a group and they accompanied by trekking agency crews and becomes possible to visit remote regions that have no tea house facility, which provides you actual adventure during your trip.