Trekking in Nepal can be undertaken throughout the year. There are
four season in Nepal. Each season has its difference attraction to offer.
The seasons are classified as follows:-
Autumn Season (Sept- Nov.)
This season offers excellent climate and tantalizing mountain views
and the weather is perfect. The Nepalese most important festivals (Dashain
and Tihar) are marked during this season.The skies are generally clear
with outstanding views. Occasionally short storms may dump considerable
snow at high altitudes.
Winter Season (Dec - Feb.)
This season is noted for occasional snowfall only at higher elevations.
So, it’s ideal for trekking at lower altitude, generally below 3200m.
Spring (Mar. - May)
The temperature is quite moderate in this season. Varieties of wild
flowers, especially the rhododendrons are in complete blossom. It is
mildly warm at lower elevations and at higher elevation, over 4000m,
the Mountain View are excellent while the temperature is quite moderate.
Summer (June - Aug.)
Summer months continue up to mid September making travel wet and warm.This
is the favorite season to trek in the rain shadow areas like Upper Mustang,
Dolpo and Kailash. This season is also recommended for forest researchers
and botanist. These times are good for the keen botanist as the higher
valleys and meadows blossom with flowers and lush vegetation.. It is
recommended to carry Raincoats and insect repellents when trekking during
these summer months.