Cat Ba island in july: average Weather, Temperature and Climate
Weather in Cat Ba island in july 2025
The weather in Cat Ba island in july comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout july
very bad weather UV index: 7
Weather at 6am
85°F
Heavy rain
48% of time
28%
11%
9%
Weather at 12pm
88°F
Heavy rain
40% of time
27%
18%
10%
Weather at 6pm
85°F
Clear/Sunny
36% of time
23%
18%
17%
Weather at 3am
85°F
38%
35%
10%
9%
Evolution of daily average temperature and precipitation in Cat Ba island in july
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cat Ba island in july.
The climate of Cat Ba island in july is very bad
The climate in july in Cat Ba island is wet (with 24.5in of rainfall over 24 days). It should be noted a worsening from the previous month since in june there is an average of 19.4in of precipitation over 20 days.
The climate enjoyable in that locality this month. Temperatures are up to 88°F. In the morning the temperature drops to 85°F. Thus, the mean temperature average on this month of july in Cat Ba island is 86°F. These temperatures are far removed from those records observed in Cat Ba island in july with a maximum record of 94°F in 2015 and a minimum record of 79°F in 2009. You can plan to have about 25 days with temperatures up to 86°F, or 81 of the month.
On average, in Cat Ba island, the days of july last 13:16. The sun rises at 05:20 and sunset is at 18:36.
July: another location in Vietnam?
If you want to go to Vietnam in july, there are destinations with better weather than Cat Ba island:
In july, Nha Trang, Huế, Mekong Delta, Phan Thiet, Bãi Xép Beach (An Chấn) and Co Thach Beach (Bình Thạnh) have good weather.
Finally, Hanoi, Hoi An, Phu Quoc island (Koh Trol), Vinh, Da Nang and Bac Ha have a tolerable climate, but better than Cat Ba island.
Seasonal average climate and temperature of Cat Ba island in july
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of july.
| July | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 85°F | ||||
| Highest record temperature | 94°F (2015) | ||||
| Lowest record temperature | 79°F (2009) | ||||
| 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 | 88°F | ||||
| Lowest sea temperature | 85°F | ||||
| Highest sea temperature | 90°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 85°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 24.5in | ||||
| Number of days with rainfall | 24 day(s) (78%) | ||||
| Record daily rainfall | 6.8in (2021) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.48km | ||||
| Cloud cover | 38% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:20 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 13:16 | ||||
| Our opinion about the weather in july | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last july?
Here is the day by day recorded weather in Cat Ba island in july 2024:
85°F to 90°F
83°F to 88°F
83°F to 85°F
81°F to 86°F
81°F to 85°F
81°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 88°F
83°F to 88°F
83°F to 88°F
83°F to 88°F
83°F to 88°F
81°F to 88°F
81°F to 88°F
81°F to 86°F
79°F to 85°F
79°F to 85°F
79°F to 86°F
81°F to 86°F
81°F to 88°F
79°F to 83°F
77°F to 81°F
79°F to 86°F
79°F to 86°F
81°F to 92°F
85°F to 90°F
81°F to 85°F
77°F to 81°F
77°F to 83°F
77°F to 83°F
Map: other cities in Vietnam in july
Cities near Cat Ba island:
| Halong Bay in july | bad weather |
| Do Son Beach (Vạn Hương) in july | bad weather |
| Hải Phòng in july | tolerable weather |
| Lạng Sơn in july | tolerable weather |
| Thanh Pho Ninh Binh in july | tolerable weather |
| Hanoi in july | tolerable weather |
| Thanh Pho Thai Nguyen in july | very bad weather |
| Thanh Hóa in july | tolerable weather |
| Thanh Pho Hoa Binh in july | tolerable weather |
| Viet Tri in july | very bad weather |
| Tinh Gia in july | tolerable weather |
| Mai Chau in july | tolerable weather |
Click over cities on the map for information about the weather in july.
Cat Ba island
perfect weather
good
tolerable
bad
very bad
Weather data for Cat Ba island in july:
Weather data for Cat Ba island for july 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.