Ha long Bay Weather in August
Ha long Bay in August sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 27°C (81°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Ha long Bay in August
As part of the rainy season, Ha long Bay sees around 16 days of rain in August, with an average of 430 mm (17 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Ha long Bay in August
August in Ha long Bay brings very high temperatures, with highs of 31°C (88°F) and nights around 27°C (81°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Ha long Bay in August
You can expect a moderate amount of sunlight, with approximately 175 hours. Even though this month is part of the wet season, you can still see the sun occasionally.August in Ha long Bay can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Ha long Bay's climate page.
Ha long Bay Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Chance of Rain
55%
Precipitation
430 mm (17 in)
Rainy days
16 days
Humidity
86% *
Sunshine
175 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ha long Bay typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Ha long Bay in August
Browse day-by-day weather records for Ha long Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ha long Bay historical weather extremes in August
According to our 39 years of weather records for Ha long Bay, the following extremes were recorded between 1986 and 2025.
- The warmest day in August was on August 3, 2025, with a maximum of 38°C (100°F).
- On August 23, 1997, Ha long Bay saw its coldest August day with temperatures maxing out at 24°C (75°F).
- The coldest night in August in Ha long Bay was on August 27, 2008, with a minimum of 23°C (73°F).
Best Places in Vietnam in August
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ha long Bay in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Ha long Bay in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Ha long Bay's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ha long Bay climate overview or explore weather in Vietnam.
