Beau Fixe
El Chaltén

🇦🇷 Argentina · South America

El Chaltén weather in August

Unfavourable season

Afternoon
4.2 °C
Night
-2 °C
Rainy days
18 days
Relative humidity
74 %

0% of days reached 25 °C over the last 10 years

📷 Marina Zvada · Pexels

Month by month

MonthAfternoonSeaRainVerdict
January14.7 °C16 daysPossible, with trade-offs
February15.4 °C14 daysPossible, with trade-offs
March12.7 °C18 daysPossible, with trade-offs
April9.6 °C17 daysUnfavourable season
May6.6 °C14 daysUnfavourable season
June3.4 °C16 daysUnfavourable season
July2.9 °C17 daysUnfavourable season
August4.2 °C18 daysUnfavourable season
September6 °C15 daysUnfavourable season
October9.1 °C16 daysUnfavourable season
November11.7 °C15 daysUnfavourable season
December13.8 °C17 daysPossible, with trade-offs

Before you go

Three things to check once you have picked your dates.

Entry

Entry rules depend on your nationality and change often. Check them before booking.

Official entry requirements ↗

Safety

No specific restrictions

Usual precautions apply.

Official advice updated 7 May 2026

UK Foreign Office

Health

Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.

Health advice ↗

Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.

FAQ

Can you swim in El Chaltén in August?

El Chaltén is not a seaside destination (no sea data).

How hot is El Chaltén in August?

Expect 4.2°C in the afternoon and -2°C at night, averaged over the last 10 years.

Does it rain a lot in El Chaltén in August?

Around 18 days with rain (≥ 1 mm) in the month — 57% of days.

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