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El Chaltén Weather in August

In El Chaltén, August brings very low daytime temperatures around 2°C (36°F), with nights cooling to -5°C (23°F). This month falls within the rainy season, so expect frequent snow/rainfall.

Rainfall in El Chaltén in August

El Chaltén is in the rainy season in August, with rain on around 6 days and an average of 187 mm (7.4 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.

Temperature in El Chaltén in August

August in El Chaltén brings typical temperatures with highs around 2°C (36°F) and lows of -5°C (23°F). August is in the winter season. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights are well below freezing at -5°C (23°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. Expect freezing temperatures this month, so ensure you have plenty of warm clothing. It's important to be prepared.

Sunshine in El Chaltén in August

The area enjoys a moderate level of sunlight, with around 148 hours. It's a good balance between sunny and rainy days.

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For a detailed overview over the year and the best time to visit Argentina, check out our El Chaltén's climate page.

El Chaltén Temperature in August

Min TemperatureMin Temperature -5°C (23°F)  
Max TemperatureMax Temperature 2°C (36°F)  
Chance of RainChance of Rain 21%  
PrecipitationPrecipitation 187 mm (7.4 in)  
Rainy daysRainy days 6 days  
SunshineSunshine 148 hours  
Percentage SunshinePercentage Sunshine  

Historical weather for El Chaltén in August

Browse day-by-day weather records for El Chaltén spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

El Chaltén historical weather extremes in August

Based on weather observations in El Chaltén between 2006 and 2025, these are the recorded extremes during August.

  • On August 5, 2012, temperatures climbed to 7°C (45°F), marking the warmest August day on record.
  • El Chaltén experienced its chilliest August day on August 1, 2010, reaching only -8°C (18°F).
  • El Chaltén registered its coldest August night on August 20, 2008, with temperatures dropping to -17°C (1°F).
  • Peak precipitation in August occurred on August 1, 2021, when 69 mm (2.7 in) of precipitation was measured.

Best Places in Argentina in August

Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in August →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in El Chaltén in August

We recommend to layer up for chilly conditions in El Chaltén in August. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in El Chaltén in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
2/10
Walking
2/10
Camping
1/10
Outdoor sports
2/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Argentina, check out our El Chaltén's climate page.

More climate data for El Chaltén