Cat Ba island in august: average Weather, Temperature and Climate
Weather in Cat Ba island in august 2025
The weather in Cat Ba island in the month of august comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on 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
85°F
Heavy rain
44% of time
26%
17%
8%
Weather at 12pm
88°F
Heavy rain
39% of time
29%
24%
7%
Weather at 6pm
85°F
Clear/Sunny
39% of time
22%
21%
13%
Weather at 3am
83°F
38%
34%
17%
9%
Evolution of daily average temperature and precipitation in Cat Ba island in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cat Ba island in august.
The climate of Cat Ba island in august is very bad
The climate in august in Cat Ba island is wet (with 27.1in of precipitation over 22 days). Unfortunately, the weather conditions is worsening than the previous month since in july there is an average of 24.5in of rainfall over 24 days.
The climate quite pleasant there august. The thermometer averaged maximum of 88°F. On average, the recorded minimum temperature is 85°F. Thus, the mean temperature average on this month of august in Cat Ba island is 86°F. Note that these seasonal averages are in contrast with those observed in Cat Ba island in the month of august with a maximum record of 95°F in 2019 and a minimum record of 77°F in 2014. You can expect to have about 24 days with temperatures up to 86°F, or 77 of time.
Day length in Cat Ba island in august is 12:50. The sun rises at 05:31 and sunset is at 18:21.
August: another location in Vietnam?
If you want to go to Vietnam in august, there are destinations with better weather than Cat Ba island:
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 Cat Ba island.
Seasonal average climate and temperature of Cat Ba island in august
Check below seasonal norms These statistics are set from the weather statements of the last years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 85°F | ||||
| Highest record temperature | 95°F (2019) | ||||
| Lowest record temperature | 77°F (2014) | ||||
| Number of days at +86°F | 24 day(s) (77%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 87°F | ||||
| Lowest sea temperature | 85°F | ||||
| Highest sea temperature | 89°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 85°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 27.1in | ||||
| Number of days with rainfall | 22 day(s) (71%) | ||||
| Record daily rainfall | 6.9in (2019) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.42km | ||||
| Cloud cover | 37% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:31 | ||||
| Time of sunset | 18:21 | ||||
| Length of day | 12:50 | ||||
| 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 Cat Ba island 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 Cat Ba island:
| Halong Bay in august | very bad weather |
| Do Son Beach (Vạn Hương) in august | very bad weather |
| Hải Phòng in august | tolerable weather |
| Lạng Sơn in august | tolerable weather |
| Thanh Pho Ninh Binh in august | tolerable weather |
| Hanoi in august | tolerable weather |
| Thanh Pho Thai Nguyen in august | very bad weather |
| Thanh Hóa in august | tolerable weather |
| Thanh Pho Hoa Binh in august | bad weather |
| Viet Tri in august | very bad weather |
| Tinh Gia in august | tolerable weather |
| Mai Chau in august | bad weather |
Click over cities on the map for information about the weather in august.
Cat Ba island
perfect weather
good
tolerable
bad
very bad
Weather data for Cat Ba island in august:
Weather data for Cat Ba island for august are derived from an average of the weather forecast since 2009 in Cat Ba island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cat Ba island 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 Cat Ba island.