Temperature
Pleasant by day, mild at night.
76°Ftypical Aug high
Sapa is most comfortable in winter. Summers are warm and winters are mild. Rainy season runs roughly May to August.

Pleasant by day, mild at night.
Rain most days.
Cloudier spells limit sunshine.
Very humid air is a major factor this month.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Sapa with Sun Moon Lake.
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