Hanoi Weather in August
August in Hanoi brings very high temperatures around 34°C (93°F) during the day, dropping to 26°C (79°F) at night, with the most rainfall of the year.
Rainfall in Hanoi in August
As part of the rainy season, Hanoi sees around 17 days of rain in August, with an average of 338 mm (13 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Hanoi in August
August in Hanoi sees highs of 34°C (93°F) and lows of 26°C (79°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Hanoi in August
The area enjoys a balanced 173 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Hanoi. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Hanoi's climate page.
Hanoi Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
34°C (93°F)
Chance of Rain
56%
Precipitation
338 mm (13 in)
Rainy days
17 days
Humidity
86%
Sunshine
173 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hanoi typically stay consistent throughout August, with daily highs averaging around 34°C (93°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 Hanoi in August
Browse day-by-day weather records for Hanoi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hanoi historical weather extremes in August
Based on weather observations in Hanoi between 1976 and 2025, these are the recorded extremes during August.
- The hottest August day on record in Hanoi reached 39°C (102°F) (August 7, 2021).
- On August 19, 1982, Hanoi saw its coldest August day with temperatures maxing out at 24°C (75°F).
- The lowest overnight temperature recorded in August was 22°C (72°F) (August 13, 2004).
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 →
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What to Wear in Hanoi in August
Get ready for hot weather in August! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Hanoi 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 Hanoi's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hanoi climate overview or explore weather in Vietnam.
