ClimaSouthern Summer Weather: dry, windy and very variable.
Average minimum temperature: -2 º C (winter). 
Average maximum temperature: 16 º C (summer). 

The weather is unpredictable in Chalten, having rapid climatic changes. In summer, temperatures range between 15 and 3 degrees. The fast winds from the mountains can sometimes reach gusts of over 130 kilometers per hour. 
However, during the walks and thanks mostly to the fact that the paths are sheltered by the mountains, the wind is not strong and you are also sheltered from the rains. Due to the height, the sun is very strong, so it is highly recommended to take sunscreen and a hat for sun protection.