The Geographically Recognized by Trans Himalayan different season time to time change weathers and 4 times a year seasonal period in Nepal. every three month per season changing weather & start September to November is Autumn, January to February is Winter, March to May Spring and June to August is Summer season in Nepal. it is imaging traveler Destination in Nepal as different season can see various scenery and Most Beautiful and real travel adventures in Nepal.
In Autumn Session +Spring Session
Mainly the trekking area and Himalayan side is best for explore where there is clean and fresh environment. like September to November and march to may of the year is the best session for the trekking in Nepal in high altitude.
winter + summer session
weather can be change every 12 hour so better to explore bit down part like Everest panorama trek, Ghorepani trek in Annapura region, tamang heritage and gosainkund in langtang region. mainly the lower part of the mountain you can explore in those place.