SeasonMapAlishan (Alishan National Scenic Area) weather in December
Taiwan
December in Alishan: cool, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Alishan · #277 of 1383 destinations to visit in December · comfort 85/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Alishan in December
No notes yet. Open Alishan on the map to add the first one.
Alishan climate normals — December
| Daytime high | 13°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 71 mm / 2.8 in | 🌦 some rain |
| Rainy days | 17 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 10.7 h | |
| Wind | 5 km/h / 3 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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
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).
Best 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 December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- 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 December — FAQ
- Is December a good time to visit Alishan?
- December in Alishan: cool, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Alishan on SeasonMap's comfort score (85/100).
- What is the weather like in Alishan in December?
- In December, Alishan averages a daily high of 13.3°C and a low of 6.5°C, with about 71.3 mm of rain over roughly 16.6 rainy days.
- What is the air quality in Alishan in December?
- Alishan has a mean US Air Quality Index of about 44 in December.
Other months in Alishan
Compare Alishan in December
Warmer or cooler than Alishan in December
Similar destinations in East Asia — December
Within 300 km: Taipei's Hot spring season on 1 Nov – 15 Mar.