Tainan weather in August
August in Tainan: hot, soaked, with very humid — not the time — 22 rainy days.
#12 of 12 months in Tainan · #848 of 897 destinations to visit in August · comfort 46/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Tainan in August
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Tainan climate normals — August
| Daytime high | 30°C / 86°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Rainfall | 427 mm / 16.8 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.9 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 70 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Tainan in August — FAQ
- Is August a good time to visit Tainan?
- August in Tainan: hot, soaked, with very humid — not the time — 22 rainy days. It ranks #12 of 12 months for Tainan on SeasonMap's comfort score (46/100).
- What is the weather like in Tainan in August?
- In August, Tainan averages a daily high of 30°C and a low of 25.8°C, with about 427.4 mm of rain over roughly 22.4 rainy days.
- What is the air quality in Tainan in August?
- Tainan has a mean US Air Quality Index of about 70 in August.