Vietnam weather in May 2025

Expect 32°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Vietnam in May. Check more long-term weather averages for Vietnam in May before you book your next holiday to Vietnam in 2025/2026.

  • 32°C maximum daytime temperature in May in Vietnam (Hanoi)32
    32°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Vietnam (Hanoi)15
    15 days with some rainfall
  • 25°C minimum night-time temperature in May in Vietnam (Hanoi)25
    25°C min night temperature
  • 13 hours of daylight per day in May in Vietnam (Hanoi)13
    13 hours of daylight per day
  • Very high heat & humidity in May in Vietnam (Hanoi)VH
    Very High heat & humidity
  • 181 mm monthly rainfall in May in Vietnam (Hanoi)181
    181 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Vietnam (Hanoi)11
    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.

Top Vietnam destinations

Below are average maximum temperatures at popular destinations in Vietnam in May. Select a destination to see more weather parameters.

All Vietnam destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Vietnam

How hot is it in Vietnam in May?

Daytime temperatures usually reach 32°C in Hanoi, Vietnam in May with very high heat and humidity, falling to 25°C at night.

How sunny is it in Vietnam in May?

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

Does it rain in Vietnam in May?

There are usually 15 days with some rain in Hanoi, Vietnam in May and the average monthly rainfall is 181mm.

Vietnam May sunrise & sunset times

Browse the sunrise and sunset times for Vietnam in May 2025. Select a month to view Vietnam sunrise and sunset times for the next 12 months. The Vietnam sunrise and sunset times shown below are for Hanoi.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:26 18:21
Friday, 16th May 2025 05:19 18:28
Saturday, 31st May 2025 05:15 18:34

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