Visit Sapa in Vietnam
Balancing on the edges of a rice field with endless views. A trek through the valley of Sapa is definitely a must for the bucket list.
Ha Long Weather in August
During August, Ha Long experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 26°C (79°F). As the wettest month of the year, expect frequent rainfall.
Rainfall in Ha Long in August
Ha Long is in the rainy season in August, with rain on around 16 days and an average of 407 mm (16 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Ha Long in August
Ha Long in August gets highs of 32°C (90°F) during the day and drops to 26°C (79°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Ha Long in August
The month experiences a moderate amount of sunlight, with 175 hours of sunshine. This provides a nice balance between sunshine and rain.August in Ha Long has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Ha Long Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Chance of Rain
54%
Precipitation
407 mm (16 in)
Rainy days
16 days
Humidity
86%
Sunshine
175 hours
Percentage Sunshine
Ha Long Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ha Long - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ha Long typically stay consistent throughout August, with daily highs averaging around 32°C (90°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 records for Ha Long in August
Browse day-by-day weather records for Ha Long spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ha Long historical weather extremes in August
Our historical data for Ha Long spans 1986 to 2026, revealing these weather extremes.
- Ha Long recorded its highest August temperature of 38°C (100°F) on August 13, 2026.
- On August 23, 1997, Ha Long saw its coldest August day with temperatures maxing out at 24°C (75°F).
- The coldest night in August in Ha Long 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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Ha Long in August
Warm but pleasant conditions in Ha Long in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Ha Long in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Ha Long 3-Day Forecast
More climate data for Ha Long
Temperature Rainfall Sunshine Humidity
See the full Ha Long climate overview or explore weather in Vietnam.
Popular in August
Where to go in August - average daytime high across popular destinations.
Hanoi
34°C (93°F) Hoi An
33°C (91°F) Da Nang33°C (91°F) Nha Trang32°C (90°F) Ho Chi Minh City32°C (90°F) Vung Tau30°C (86°F) Duong Dong29°C (84°F) Da Lat26°C (79°F) Bucket list
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