SeasonMapAlishan (Alishan National Scenic Area) weather in August
Taiwan
August in Alishan: nice, soaked, with clean air — fine if you can take 29 rainy days.
#11 of 12 months in Alishan · #922 of 1383 destinations to visit in August · comfort 69/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Alishan in August
No notes yet. Open Alishan on the map to add the first one.
Alishan climate normals — August
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 519 mm / 20.4 in | ⛈ soaked |
| Rainy days | 29 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 9 h/day | |
| Daylight | 12.9 h | |
| Wind | 5 km/h / 3 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Alishan in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusySummer break in Taiwan, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Alishan's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherAlishan's best weather comes in February, November and December — separate windows, not one continuous season.
August coincides with Typhoon and landslide season.
Best weatherFair weatherToughest weather
What's on in Alishan in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Typhoon and landslide season
1 Jul – 15 Oct · usuallyTyphoon seasonClosuresThe mountain road and the forest railway are the first things to shut when a system parks over the island. Repairs can take a season, so check the line is running before you plan around it. Source ↗
- Season
Wet season
MonsoonRisk29 rainy days and about 519 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Alishan — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Alishan?
Alishan in August — FAQ
- Is August a good time to visit Alishan?
- August in Alishan: nice, soaked, with clean air — fine if you can take 29 rainy days. It ranks #11 of 12 months for Alishan on SeasonMap's comfort score (69/100).
- What is the weather like in Alishan in August?
- In August, Alishan averages a daily high of 19.6°C and a low of 14.1°C, with about 519 mm of rain over roughly 28.7 rainy days.
- What is the air quality in Alishan in August?
- Alishan has a mean US Air Quality Index of about 50 in August.
Other months in Alishan
Compare Alishan in August
Warmer or cooler than Alishan in August
Similar destinations in East Asia — August
Within 300 km: Kenting's Calm sea season around 1 Apr – 30 Sep, and Taipei's Ghost Month around 5 Aug – 15 Sep.