Winter Activities in Nepal Winter season is one of the perfect time to visit in Nepal. You will get the ultimate experience of snow falls in Nepal, camping and adventure trekking. During early November and early December the weather is highly pleasant, so are the mountain views. This is the peak season for trekking as mountain views are guaranteed. This is also the season of festivities as Nepal celebrates the biggest Hindu festivals. And during mid December to February the weather is cool and the sky is clear with occasional snowfalls at higher elevations. This season is good for trekking in lower elevations. The morning and night is cold and the days are warm when sunny. Here are some of the activities that can be carried out during winter season in Nepal.