Click on a day for an hourly weather forecast
The weather in Busan in August is very hot. The average temperatures are between 25°C and 28°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Busan. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Busan in August 2025.
If you’re planning to visit Busan in the near future, we highly recommend that you review the 14 day weather forecast for Busan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 1° | 2 | 28 | 1 | 26 mm | Bad | Busan in January |
| February | 8° / 3° | 4 | 23 | 1 | 39 mm | Ok | Busan in February |
| March | 12° / 7° | 5 | 26 | 0 | 83 mm | Ok | Busan in March |
| April | 16° / 11° | 5 | 25 | 0 | 99 mm | Good | Busan in April |
| May | 20° / 15° | 4 | 27 | 0 | 91 mm | Good | Busan in May |
| June | 23° / 19° | 5 | 25 | 0 | 135 mm | Perfect | Busan in June |
| July | 26° / 23° | 8 | 23 | 0 | 207 mm | Good | Busan in July |
| August | 28° / 25° | 8 | 23 | 0 | 189 mm | Good | Busan in August |
| September | 25° / 21° | 6 | 24 | 0 | 152 mm | Perfect | Busan in September |
| October | 21° / 16° | 3 | 28 | 0 | 73 mm | Good | Busan in October |
| November | 15° / 10° | 2 | 27 | 0 | 44 mm | Good | Busan in November |
| December | 8° / 4° | 3 | 27 | 1 | 34 mm | Ok | Busan in December |