Hanoi weather in May 2026

Expect daytime maximum temperatures of 90°F in Hanoi, Vietnam in May and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 7.1 inches of rainfall in the month.

  • 90°F maximum daytime temperature in May in Hanoi90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Hanoi15
    15 days with some rainfall
  • 77°F minimum night-time temperature in May in Hanoi77
    77°F min night temperature
  • 13 hours of daylight per day in May in Hanoi13
    13 hours of daylight per day
  • Very high heat & humidity in May in HanoiVH
    Very High heat & humidity
  • 7.1 inches monthly rainfall in May in Hanoi7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Hanoi11
    11+ (Extreme) UV index

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The May 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 May?

Daytime temperatures usually reach 90°F in Hanoi in May with very high heat and humidity, falling to 77°F at night.

How sunny is it in Hanoi in May?

There are normally 6 hours of bright sunshine each day in Hanoi in May - that's 46% of daylight hours.

Does it rain in Hanoi in May?

There are usually 15 days with some rain in Hanoi in May and the average monthly rainfall is 7.1 inches.

Hanoi May sunrise & sunset times

Browse the sunrise and sunset times for Hanoi in May 2026. Select a month to view Hanoi sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:26 18:21
Saturday, 16th May 2026 05:19 18:28
Sunday, 31st May 2026 05:15 18:34

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