Click on a day for an hourly weather forecast
The weather in Tainan in October is very hot. The average temperatures are between 25°C and 29°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Tainan 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 Tainan in October 2025.
If you’re planning to visit Tainan in the near future, we highly recommend that you review the 14 day weather forecast for Tainan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 22° / 16° | 3 | 28 | 0 | 16 mm | Good | Tainan in January |
| February | 23° / 17° | 3 | 25 | 0 | 14 mm | Perfect | Tainan in February |
| March | 25° / 20° | 4 | 27 | 0 | 20 mm | Perfect | Tainan in March |
| April | 27° / 22° | 7 | 23 | 0 | 41 mm | Perfect | Tainan in April |
| May | 29° / 25° | 14 | 17 | 0 | 111 mm | Ok | Tainan in May |
| June | 31° / 26° | 15 | 15 | 0 | 154 mm | Ok | Tainan in June |
| July | 31° / 27° | 14 | 17 | 0 | 106 mm | Ok | Tainan in July |
| August | 31° / 27° | 16 | 15 | 0 | 203 mm | Ok | Tainan in August |
| September | 31° / 26° | 9 | 21 | 0 | 80 mm | Ok | Tainan in September |
| October | 29° / 25° | 5 | 26 | 0 | 24 mm | Good | Tainan in October |
| November | 27° / 22° | 4 | 26 | 0 | 18 mm | Perfect | Tainan in November |
| December | 23° / 18° | 3 | 28 | 0 | 18 mm | Perfect | Tainan in December |