Temperature
Cold by day, freezing at night.
37°Ftypical Aug high
El Chalten is most comfortable during local summer. Local summers are mild and local winters are cold. Precipitation is frequent in most months. Humidity is usually low.

Cold by day, freezing at night.
Rain most days.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
Mostly cloudy skies.
Want a side-by-side climate view? Compare El Chalten with Bariloche.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology