Click on a day for an hourly weather forecast
The temperatures in Tainan during August are extremely high, between 27°C and hot as 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Tainan.
Tainan should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Tainan in August 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 |