Click on a day for an hourly weather forecast
The temperatures in Ha Long Bay during August are extremely high, between 27°C and hot as 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Ha Long Bay.
Ha Long Bay 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 Ha Long Bay in August 2025.
If you’re planning to visit Ha Long Bay in the near future, we highly recommend that you review the 14 day weather forecast for Ha Long Bay before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 15° | 4 | 27 | 0 | 50 mm | Good | Ha Long Bay in January |
| February | 22° / 17° | 3 | 26 | 0 | 34 mm | Good | Ha Long Bay in February |
| March | 24° / 20° | 4 | 27 | 0 | 59 mm | Perfect | Ha Long Bay in March |
| April | 28° / 22° | 4 | 26 | 0 | 86 mm | Perfect | Ha Long Bay in April |
| May | 31° / 25° | 12 | 19 | 0 | 237 mm | Ok | Ha Long Bay in May |
| June | 33° / 27° | 16 | 14 | 0 | 333 mm | Ok | Ha Long Bay in June |
| July | 33° / 27° | 19 | 12 | 0 | 406 mm | Ok | Ha Long Bay in July |
| August | 32° / 27° | 17 | 14 | 0 | 464 mm | Ok | Ha Long Bay in August |
| September | 32° / 26° | 11 | 19 | 0 | 274 mm | Ok | Ha Long Bay in September |
| October | 29° / 23° | 5 | 26 | 0 | 141 mm | Good | Ha Long Bay in October |
| November | 26° / 20° | 3 | 27 | 0 | 46 mm | Perfect | Ha Long Bay in November |
| December | 22° / 16° | 2 | 29 | 0 | 32 mm | Good | Ha Long Bay in December |