Peru’s varied terrain, which includes mountains, deserts and rainforests, means that the country also has a mixed climate across its different regions. The extreme altitude changes mean that one part of the country may be experiencing freezing cold temperatures, while the coastal regions are simultaneously experiencing hot, sunny weather. 

The Pacific coastal regions have an unusual dry desert climate and experience little rainfall. Lima, which is located a bit further inland, also has low rainfall. On the other hand, the mountainous and jungle regions experience heavy rains, particularly in the peak rainy season from January to March.

Lightweight clothing is generally needed in summer, but if visiting mountainous regions, warm, thermal clothing is required. Waterproof clothing is essential in the rainy regions.