Temperature
Pleasant by day, brisk at night.
Les Houches is most comfortable in autumn. Summers are mild and winters are cold. Rain is frequent in most months. Humidity is usually low.

Pleasant by day, brisk at night.
Rain most days.
Plenty of sun this month.
It rarely feels hot, though humidity can be noticeable during rainy periods.
In August, afternoons feel about 71° and nights feel near 56°.
Partly cloudy across the month.
August late afternoons are around 71°F, easing to about 67°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Les Houches with El Chalten.
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: Jul 31, 2026
Data & methodology