According to its geographical location, (tropical region of the southern hemisphere), Peru should have a warm, humid and rainy climate; however; the presence of the Andes Mountain Range, the anticyclonic circulation of the South Pacific, and the cold Humbolt current have shaped the environmental conditions, creating a signifcant variety of climates.

It almost never rains on the coast, characterized by thick fogs and light drizzle between May and November, producing a cold sensation although the average annual temperature fluctuates between 14ºC and 18ºC (57°F and 64°F).   In the summer (December-April), humidity decreases and the sun shines brightly.

Both in the sierra and in the jungle there is a dry season (May-October), plenty of sunny days, and a rainy season between December and March (winter). While the sierra has a fresh and dry climate with annual average temperatures fluctuating between 9ºC and 18ºC (48°F and 64°F), the jungle has a tropical climate with temperatures oscillating between 26ºC and 40ºC (79°F and 104°F). The climate In the Andean valleys is generally dry and warm almost all year long, with some rain during the summer.