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 The Climate
Unsurprisingly, the climate of Peru divides into a pattern set by the contrasting landscapes. On the coast summertime temperatures range from 25� to 35�C and it is hot and dry. Wintertime temperatures are slightly lower and it is cloudy. El Nino also has an effect on the coastal climate. In the sierra there is more seasonal variation. In the dry season it is hot during the day, 20�-25�C, and cold, even below freezing, and dry at night. During the wet season days start dry and clear with some rainfall in the afternoon. Temperatures remain within 15�-18�C day and night. In the Selva, the dry season has temperatures up to 35�C. During the wet season it is hot, humid with heavy rainfall at any time. El Nino This climatic phenomenon was named the 'Christ child' by fisherman who associated the warming of the waters of the east Pacific with the Christmas season. Usually the trade winds blow west from Latin America. Every 3-7 years, without any clearly understood reason, the wind drops. As a result, the huge reserve of warm waters out in the Pacific drift eastwards towards the coast and this causes a period of disturbed weather around the world. El Nino occurred three times in the 1990s and in 1997 it had the most severe impact ever killing thousands of people and causing extensive destruction.
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