Halong Bay in july: average Weather, Temperature and Climate
Weather in Halong Bay in july 2025
The weather in Halong Bay in the month of july 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 july
bad weather UV index: 7
Weather at 6am
83°F
Heavy rain
29% of time
28%
20%
17%
Weather at 12pm
90°F
Heavy rain
35% of time
31%
19%
11%
Weather at 6pm
83°F
Moderate rain at times
32% of time
28%
18%
16%
Weather at 3am
81°F
36%
25%
18%
14%
Evolution of daily average temperature and precipitation in Halong Bay in july
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Halong Bay in july.
The climate of Halong Bay in july is bad
The climate in july in Halong Bay is wet (with 19.4in of rainfall over 21 days). The weather's not getting better compared to the previous month since in june there is an average of 17.9in of precipitation over 18 days.
The climate is very warm in this location this month. The high seasonal norm is 90°F. On average, the recorded minimum temperature is 83°F. Thus, the mean temperature average in july in Halong Bay is 86°F. Note that these seasonal averages are in contrast with those observed in Halong Bay in the month of july with a maximum record of 97°F in 2015 and a minimum record of 76°F in 2021. You can hope to have about 26 days with temperatures over 86°F, or 84 of time.
In july in Halong Bay, the days on average last 13:17. Sunrise is at 05:19 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 Halong Bay:
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 Halong Bay.
Seasonal average climate and temperature of Halong Bay in july
Check below seasonal norms These datas are set from the weather statements earlier years of july.
| July | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 97°F (2015) | ||||
| Lowest record temperature | 76°F (2021) | ||||
| Number of days at +86°F | 26 day(s) (84%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 87°F | ||||
| Lowest sea temperature | 84°F | ||||
| Highest sea temperature | 89°F | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 19.4in | ||||
| Number of days with rainfall | 21 day(s) (69%) | ||||
| Record daily rainfall | 5in (2013) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 8.72km | ||||
| Cloud cover | 40% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:19 | ||||
| Time of sunset | 18:36 | ||||
| Length of day | 13:17 | ||||
| Our opinion about the weather in july | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last july?
Here is the day by day recorded weather in Halong Bay 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 Halong Bay:
| Cat Ba island in july | very bad weather |
| Hải Phòng in july | tolerable weather |
| Do Son Beach (Vạn Hương) in july | bad weather |
| Lạng Sơn in july | tolerable weather |
| Hanoi in july | tolerable weather |
| Thanh Pho Ninh Binh in july | tolerable weather |
| Thanh Pho Thai Nguyen in july | very bad weather |
| Viet Tri in july | very bad weather |
| Thanh Pho Hoa Binh in july | tolerable weather |
| Thanh Hóa in july | tolerable weather |
| Thanh Pho Cao Bang in july | tolerable weather |
| Mai Chau in july | tolerable weather |
Click over cities on the map for information about the weather in july.
Halong Bay
perfect weather
good
tolerable
bad
very bad
Weather data for Halong Bay in july:
Weather data for Halong Bay for july 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.