August · Argentina
Best time to visit El Chaltén in August Weather, crowds & prices
Weather in El Chaltén in August
Average temperature -4°C, 104 mm of rain, about 0 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
2.1/10
Ranked #10 of 12 months
- Avg temp
- -4°C
- Rainfall
- 104 mm
- Humidity
- 91%
- Days with 6h+ sun
- 0
- Crowd Density
- Moderate Crowds
- Average Expenses
- $ · Budget Friendly ($)
August in El Chaltén scores 2.1/10 for nature and wildlife travel - ranked #10 of 12. Expect around -4°C, 104 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
El Chaltén is Argentina's trekking capital, below the Fitz Roy and Cerro Torre peaks.
August in El Chaltén — the hardest end of the year
At -4°C (25°F) this is proper winter weather in August: layer up and split the day between outdoor highlights and indoor stops.
104 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 9.8 hours of daylight.
That is 2.1/10 on the same scale — 10th of 12 months, versus 7/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect low-season pricing, and crowds are moderate.
If your dates are flexible, January is materially better in El Chaltén — 4.9 points higher on the same scale.
Frequently asked
- What is the weather like in El Chaltén in August?
- In August, El Chaltén averages -4°C, 104 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 2.1/10.
- Is August a good time to visit El Chaltén?
- August earns a 2.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in El Chaltén in August?
- Expect about 104 mm of rain in August. Average humidity is 91% and there are about 0 days with 6+ hours of sunshine.
Curated in El Chaltén
Tickets & experiences
Things to do in El Chaltén
El Chaltén, Argentina. Live activities and tours from GetYourGuide, matched to this destination.