Temperature
Hot by day, warm at night.
85°Ftypical Aug high
Tainan is most comfortable in winter. Summers are warm and winters are mild. Rainy season runs roughly May to September. Humidity is noticeable much of the year.

Hot by day, warm at night.
One of the wettest months.
Cloudier spells limit sunshine.
Warm days, with some hot afternoons and occasional humid spells.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Tainan with Manila.
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