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The climate of the Andes (Argentina)
The Andes mountain range is about 7,000 kilometers long and extends from north to south through seven South American countries: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile and Argentina. This makes the Andes the longest continental mountain range in the world. The average height of the Andes is 4,000 meters. However, it has several summits with a height of over 6,000 meters. The mountain range can be divided into the southern Andes, the central Andes and the northern Andes. The northern Andes extends through Bolivia, Venezuela and Ecuador and mainly consists of volcanic summits of 5,000 meters. The Nudo de los Pastos can also be found here which divides the mountain range into two parts. The central Andes extends through Peru and Chile; the highest summits of the mountain range can be found here. The Huascaran is the third highest summit at 6,768 meters. A heavy earthquake in 1970 completely covered the city of Yungay in snow and debris and took the lives of 20,000 people. The Ojos del Salado is the second highest mountain in the Andes. The Ojos del Salado actually is a volcano which has been silent for centuries now. In the central Andes two large lakes can be found. Lake Titicaca which is situated on the highlands between Peru and Bolivia and the salt water lake of Poopó which is situated in Bolivia. The southern Andes extends from the tip of South America through the countries of Chile and Argentina. The highest point of the Andes can be found here: the Aconcagua at 6,962 meters. The Aconcagua is situated in the Aconcagua Province Park in the Mendoza province. The southern Andes can be divided into the Andes de Transición, the Patagonian Andes and the Antartandes. The highest peaks of the Andes can be found in the Andes de Transición. This area is described as the roof of the Andes. The average height rapidly decreases toward Patagonia; average heights are around 3,000 meters here. In the Antartandes the mountain range completely disappears into the sea only to resurface in: Tierra del Fuego and the Scotia ridge which surfaces again as the Southern Orkneys, South Georgia, the southern Sandwich Islands, Southern Shetland Islands, Clerke Rocks, Shag Rocks, Staten Island and Burdwood Bank.

The climate of the Andes is very diverse climate. Every region has its own type of climate. However, in general it has a high mountain climate. The northern part of the Andes is rainy and warm. The southern part is rainy and cold and the central part is very dry. The mountains have a large influence on the climate in the surrounding areas; especially in the interior where the Andes borders the rainforest. In the areas closer to The Pacific temperatures and precipitation figures are influenced by several types of winds. On the highest summits of the Andes everlasting snow can be found. The climate figures below can’t give a clear image of the climate in the Andes. Bear in mind that the higher you travel the colder it gets. This is also the case when you travel further south. Precipitation in the Andes will usually be in the form of snow. The sea temperatures given below also are an average for the several spots in which the Andes or the Andean foothills run into the Pacific.


Climate information
The figures below are based on long term weather and climate records. They are an average for the Andes:
Please, note that local deviations may occur

temperature (°C)


temperature (°C)
hours of sunshine

average days with precipitation
per month
per month
temperature (°C)
January 16 5 8 11 20
February 15 5 8 12 21
March 13 3 6 14 21
April 10 1 5 13 17
May 5 -2 4 12 14
June 3 -4 4 15 13
July 2 -5 4 13 12
August 4 -3 5 16 10
September 8 -2 5 14 12
October 11 0 7 11 13
November 13 3 8 12 15
December 15 4 8 10 18
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate figures are very useful but don’t present a general impression of the climate and the eventual weather circumstances within a certain period. The figures don’t always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:

chance of
(very) hot


chance of
(very) cool
chance of

chance of
chance of
sunny days


click here for the explanation of the symbols

The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.


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