Halong Bay in august: average Weather, Temperature and Climate
Weather in Halong Bay in august 2025
The weather in Halong Bay in august comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
very bad weather UV index: 7
Weather at 6am
83°F
Heavy rain
27% of time
27%
24%
17%
Weather at 12pm
88°F
Heavy rain
36% of time
30%
19%
13%
Weather at 6pm
83°F
Moderate rain at times
32% of time
29%
25%
11%
Weather at 3am
81°F
31%
25%
24%
16%
Evolution of daily average temperature and precipitation in Halong Bay in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Halong Bay in august.
The climate of Halong Bay in august is very bad
the weather in Halong Bay in august is wet (with 21.8in of rainfall over 20 days). The weather is better from the previous month since in july it receives an average of 19.4in of rainfall over 21 days.
The climate is very hot in that locality in august. The thermometer averaged maximum of 90°F. The minimum is 83°F. Thus, the mean temperature average on this month of august in Halong Bay is 86°F. These temperatures are far removed from those records observed in Halong Bay in august with a maximum record of 99°F in 2019 and a minimum record of 74°F in 2021. You can hope to have 86°F or more across the month.
On average, in Halong Bay, the days of august last 12:51. The sun rises at 05:31 and sunset is at 18:22.
With a bad weather, august is not recommended to go in this locality in Vietnam.
August: another location in Vietnam?
If you want to go to Vietnam in august, there are destinations with better weather than Halong Bay:
In august, Nha Trang, Vinh, Huế, Mekong Delta, Phan Thiet and Bãi Xép Beach (An Chấn) have good weather.
Finally, Hanoi, Hoi An, Phu Quoc island (Koh Trol), Da Nang, Bac Ha and Bai Lang (Cham islands) have a tolerable climate, but better than Halong Bay.
Seasonal average climate and temperature of Halong Bay in august
Check below seasonal norms These datas are compiled from the weather statements earlier years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 99°F (2019) | ||||
| Lowest record temperature | 74°F (2021) | ||||
| Number of days at +86°F | 25 day(s) (81%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 86°F | ||||
| Lowest sea temperature | 84°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 21.8in | ||||
| Number of days with rainfall | 20 day(s) (64%) | ||||
| Record daily rainfall | 7in (2019) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 8.67km | ||||
| Cloud cover | 39% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:31 | ||||
| Time of sunset | 18:22 | ||||
| Length of day | 12:51 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last august?
Here is the day by day recorded weather in Halong Bay in august 2024:
79°F to 85°F
81°F to 88°F
79°F to 85°F
81°F to 86°F
81°F to 88°F
83°F to 88°F
83°F to 88°F
83°F to 88°F
83°F to 90°F
85°F to 90°F
83°F to 90°F
81°F to 85°F
81°F to 86°F
79°F to 85°F
81°F to 88°F
79°F to 88°F
81°F to 90°F
81°F to 88°F
83°F to 90°F
83°F to 88°F
81°F to 83°F
81°F to 83°F
81°F to 85°F
83°F to 88°F
79°F to 86°F
81°F to 88°F
81°F to 90°F
81°F to 90°F
83°F to 92°F
83°F to 90°F
83°F to 88°F
Map: other cities in Vietnam in august
Cities near Halong Bay:
| Cat Ba island in august | very bad weather |
| Hải Phòng in august | tolerable weather |
| Do Son Beach (Vạn Hương) in august | very bad weather |
| Lạng Sơn in august | tolerable weather |
| Hanoi in august | tolerable weather |
| Thanh Pho Ninh Binh in august | tolerable weather |
| Thanh Pho Thai Nguyen in august | very bad weather |
| Viet Tri in august | very bad weather |
| Thanh Pho Hoa Binh in august | bad weather |
| Thanh Hóa in august | tolerable weather |
| Thanh Pho Cao Bang in august | bad weather |
| Mai Chau in august | bad weather |
Click over cities on the map for information about the weather in august.
Halong Bay
perfect weather
good
tolerable
bad
very bad
Weather data for Halong Bay in august:
Weather data for Halong Bay for august are derived from an average of the weather forecast since 2009 in Halong Bay. There is a margin of error and these forecasts are to be considered as general information only. The weather in Halong Bay can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Halong Bay.