Click on a day for an hourly weather forecast
The weather in Alishan in October is hot. The average temperatures are between 21°C and 27°C.
You can expect about 3 to 8 days of rain in Alishan during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Alishan in October 2025.
If you’re planning to visit Alishan in the near future, we highly recommend that you review the 14 day weather forecast for Alishan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 13° | 4 | 27 | 0 | 19 mm | Good | Alishan in January |
| February | 21° / 14° | 4 | 24 | 0 | 19 mm | Good | Alishan in February |
| March | 24° / 16° | 7 | 24 | 0 | 34 mm | Perfect | Alishan in March |
| April | 27° / 18° | 8 | 22 | 0 | 49 mm | Perfect | Alishan in April |
| May | 29° / 20° | 16 | 15 | 0 | 112 mm | Ok | Alishan in May |
| June | 30° / 22° | 17 | 13 | 0 | 146 mm | Ok | Alishan in June |
| July | 30° / 22° | 18 | 13 | 0 | 137 mm | Ok | Alishan in July |
| August | 30° / 22° | 19 | 12 | 0 | 197 mm | Ok | Alishan in August |
| September | 29° / 22° | 13 | 17 | 0 | 96 mm | Ok | Alishan in September |
| October | 27° / 21° | 7 | 24 | 0 | 56 mm | Good | Alishan in October |
| November | 25° / 18° | 5 | 25 | 0 | 26 mm | Perfect | Alishan in November |
| December | 21° / 14° | 5 | 26 | 0 | 23 mm | Good | Alishan in December |