SeasonMapAlishan (Alishan National Scenic Area) weather in April
Taiwan
April in Alishan: nice, soaked, with muggy air — fine if you can take 24 rainy days.
#6 of 12 months in Alishan · #592 of 1383 destinations to visit in April · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Alishan in April
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Alishan climate normals — April
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 183 mm / 7.2 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 10.2 h/day | |
| Daylight | 12.7 h | |
| Wind | 6 km/h / 3 mph | |
| Air quality (US AQI) | 85 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Alishan in April
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.
BusyAlishan Cherry Blossom Festival, school holidays in 3 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).
Fair weatherAlishan's best weather comes in February, November and December — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Alishan in April
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Alishan Cherry Blossom Festival
10 Mar – 10 Apr · usuallyCrowdedBook earlyThirty-odd varieties open in sequence around the station, the Yoshinos in the middle of March. Some 150,000 people come up for it and the highway is under traffic control from six in the morning at weekends. Source ↗
- Nature
Firefly season
10 Apr – 15 May · usuallyFirefliesAlishan holds about a third of Taiwan's fireflies and the peak is a few weeks from mid-April. It is a night walk at 2,000 m, so around 8°C once the light goes. Source ↗
- Season
Sunrise and sea of clouds
15 Oct – 15 Apr · usuallyFog seasonThe cool half of the year is when the Zhushan sunrise train is worth the 4am alarm; in summer the cloud is usually rain instead of a floor below you. Source ↗
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 April — FAQ
- Is April a good time to visit Alishan?
- April in Alishan: nice, soaked, with muggy air — fine if you can take 24 rainy days. It ranks #6 of 12 months for Alishan on SeasonMap's comfort score (80/100).
- What is the weather like in Alishan in April?
- In April, Alishan averages a daily high of 17.2°C and a low of 9.9°C, with about 182.5 mm of rain over roughly 23.6 rainy days.
- What is the air quality in Alishan in April?
- Alishan has a mean US Air Quality Index of about 85 in April.
Other months in Alishan
Compare Alishan in April
Warmer or cooler than Alishan in April
Similar destinations in East Asia — April
Within 300 km: Sun Moon Lake's Firefly season around 1 Apr – 15 May, and Kenting's Calm sea season around 1 Apr – 30 Sep.