The climate is predominantly cold and dry due to the influence of glaciers. It drops below freezing at night, above 4,000 meters above sea level. In the valleys where the towns are located, the climate is more temperate, with an average temperature of 20° C during the day and 5° to 15° C at night. Rainfall is from September to mid-April.
Weather & Climate in the Huayhuash mountain range varies a lot, so the temperature fluctuates a lot with semitropical and polar climates. The valleys that are at lower altitudes have a temperate climate.The average temperature in the valley is 20 ° C in the day. At night the temperature fluctuates between 5 to 15 ° C at 4,000 meters high, in the mornings and afternoons are very cold at that height. But at night the temperature drops below 0 ° C.
The rains normally start in the month of October and continue until the month of March. In this season it is not advisable to take long walks, because they are rainy months and the trip can be complicated.
A marked dry season, extends from April to October also called Andean Summer. It is the most recommended time for hiking or mountain climbing or other outdoor activities.
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