The Peruvian coastline is formed by a long and snaking desert hemmed by the mountains. It is precisely the presence of the Andes to the east, besides to the cold Humboldt marine current that reaches the beaches, what gives this area so arid and dry-form his climate. It extends from the Sechura desert on the north of Perú to the Nazca plains in the South. It is occasionally interrupted by valleys in which a dense layer of clouds covering the sky and frequent drizzle in the winter. Many of this valleys are Agricola productive areas.
Due to the humidity in these areas, it produces a sensation of cold, even though temperatures rarely dip below 12 ° C. During the summer, however, the sun beats down and the temperature often reaches 30 ° C.
The central and southern part of the coast feature two distinct seasons: winter, between April and October, and summer between November and March. Maximum monthly temperatures usually happen in February, between 24 and 33 ° C, the minimum between 15 and 18 ° C in July. Rainfall varies from 132 mm per year to almost nothing.
The north coast, meanwhile, does not suffer the effects of cold water, resulting in almost 300 days of sunshine and warm temperatures throughout the year (up to 35 ° C in summer). The rainy season runs from November to March and precipitation in the summer, without the presence of El Niño, are less than 100 millimeters.
CuscoPeru.com recommends care at night in winter because it is colder and warm clothing is necessary.