SeasonMapAlishan (Alishan National Scenic Area) weather by month
Taiwan
The best time to visit Alishan (Alishan National Scenic Area) is February, November and December — 85/100 in December, 13°C and 17 rainy days. The best season is winter, December to February (83/100 on average).
The worst month is September at 68/100 — nice, soaked, muggy air. See September →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Taiwan →
Alishan, month by month
Comfort score out of 100 for the kind of trip Alishan is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 81 | A | 12°C | 17 d | 9 h | Peak | 2 |
| FebFebruary | 84 | A | 13°C | 17 d | 9 h | Peak | 2 |
| MarMarch | 82 | A | 15°C | 21 d | 9 h | Busy | 2 |
| AprApril | 80 | A | 17°C | 24 d | 10 h | Busy | 3 |
| MayMay | 70 | B | 19°C | 28 d | 9 h | Shoulder | 1 |
| JunJune | 69 | C | 20°C | 27 d | 9 h | Quiet | — |
| JulJuly | 71 | B | 20°C | 26 d | 10 h | Busy | 1 |
| AugAugust | 69 | C | 20°C | 29 d | 9 h | Busy | 1 |
| SepSeptember | 68 | C | 19°C | 23 d | 9 h | Quiet | 1 |
| OctOctober | 73 | B | 18°C | 20 d | 9 h | Shoulder | 2 |
| NovNovember | 84 | A | 16°C | 20 d | 9 h | Busy | 1 |
| DecDecember | 85 | A | 13°C | 17 d | 9 h | Busy | 1 |
What's on in Alishan through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Lunar New Year crowds25 Jan – 25 Feb (usually)Holiday
- March
- Alishan Cherry Blossom Festival10 Mar – 10 Apr (usually)Festival
- April
- Firefly season10 Apr – 15 May (usually)Nature
- July
- Typhoon and landslide season1 Jul – 15 Oct (usually)Hazard
- October
- Sunrise and sea of clouds15 Oct – 15 Apr (usually)Season
Crowds in Alishan in December
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.
Busyschool holidays in 5 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet