Climate in the Peruvian Andes can basically be divided into two
seasons: The rainy season, and the dry season.
Although the climate in the Inca Trail`s zone is usually
temperate throughout the year, the best season to do the trek is
during the dry season (between April and October), since rains
are frequent from November through March and the trail can
easily turn into a very difficult and slippery mud.
Thus, the dry season is from May through September, with
generally sunny and mild days, while the nights may be very
cold.
The wet season is from November through May, but the rains
proper are from November through March. During this period the
Inca Trail is usually closed down, due to maintenance work of
the trail.
Average annual temperatures are between 20.4 ºC to 26.7 ºC.
(68.72 F to 79.88 F). The geographical composition of the Inca
Trail is very varied. There are numerous glacier watercourses
that flow into the Urubamba River, which crosses the area in a
deep more than 40 km (24.85 miles) long valley, forming a
succession of different ecological floors.
The natural scenery is impressive. Not only because of the
notable armony struck between nature and the Inca architecture,
but also by the impressive framework set by the snow clad
Vilcabamba range with peaks reaching up to more than 6000
m.a.s.l. (16690 ft). Moreover, the Inca Trail is surrounded by
enchanted forests and valleys, which create fantasy like images
and where dawns and sunsets turn into shows of grandeur and
mystery.
