Hanoi weather in August 2025

Expect 90°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Hanoi in August. Check more long-term weather averages for Hanoi in August before you book your next holiday to Vietnam in 2025/2026.

  • 90°F maximum daytime temperature in August in Hanoi90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in August in Hanoi17
    17 days with some rainfall
  • 79°F minimum night-time temperature in August in Hanoi79
    79°F min night temperature
  • 13 hours of daylight per day in August in Hanoi13
    13 hours of daylight per day
  • Very high heat & humidity in August in HanoiVH
    Very High heat & humidity
  • 11.7 inches monthly rainfall in August in Hanoi11.7
    11.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Hanoi11
    11+ (Extreme) UV index

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The August weather guide for Vietnam (Hanoi) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Vietnam

How hot is it in Hanoi in August?

Daytime temperatures usually reach 90°F in Hanoi in August with very high heat and humidity, falling to 79°F at night.

How sunny is it in Hanoi in August?

There are normally 6 hours of bright sunshine each day in Hanoi in August - that's 44% of daylight hours.

Does it rain in Hanoi in August?

There are usually 17 days with some rain in Hanoi in August and the average monthly rainfall is 11.7 inches.

What is the chance of a typhoon in Hanoi in August?

On average 2.3 days in August in Hanoi are likely to be affected by the passage of one or more tropical storms.

Hanoi August sunrise & sunset times

Browse the sunrise and sunset times for Hanoi in August 2025. Select a month to view Hanoi sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:30 18:35
Saturday, 16th August 2025 05:36 18:26
Sunday, 31st August 2025 05:40 18:14

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