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El Chaltén Weather and Climate: A Comprehensive Guide

Temperatures see a moderate degree of fluctuation, transitioning from cold conditions to very cold. It also experiences much rain/snowfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The weather in El Chaltén changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a chilly 11°C in February. In July, the coolest month of the year, temperatures drop to a very cold 1°C.

At night, you can expect cooler temperatures, with averages dropping to around -5°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

El Chaltén is known for its substantial rain/snowfall, with annual precipitation reaching 2383 mm. Despite minor fluctuations, El Chaltén enjoys fairly consistent precipitation throughout the year. In April, you can expect around 239 mm of precipitation, while in September, El Chaltén receives about 157 mm.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

El Chaltén can be enjoyed more throughout the sunniest month of December under a blue sky, with approximately 8.7 hours of sunshine daily. In contrast, the city experiences much darker days in July, with only 3.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Forecast for El Chaltén

Tue   Jan 14
11°C | 1°C
N 6 m/s
1.1 mm
overcast and slight rain

overcast and slight rain

Wed   Jan 15
10°C | 2°C
NW 5 m/s
19 mm
broken clouds and rain

broken clouds and rain

Thu   Jan 16
12°C | 0°C
N 5 m/s
7.7 mm
overcast and rain

overcast and rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit El Chaltén in Argentina

The average rainfall figures in El Chaltén are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose December which is the sunniest month of the year.

Other facts from our historical weather data:
  • When is winter in El Chaltén?
    The coldest season / winter is in the following months: June, July and August.
  • Which is the warmest month in El Chaltén?
    February has an average maximum temperature of 11°C and is the warmest month of the year.
  • Which is the coldest month in El Chaltén?
    The coldest month is July with an average maximum temperature of 1°C.
  • Which is the wettest month in El Chaltén?
    April tops the wettest month list with 239 mm of rainfall.
  • Which is the driest month in El Chaltén?
    September is the driest month with 157 mm of precipitation.
  • Which is the sunniest month in El Chaltén?
    December is the sunniest month with an average of 260 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.