Haiphong weather in May 2026

Expect daytime maximum temperatures of 90°F in Haiphong, 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 14 days with some rainfall and typically 6.7 inches of rainfall in the month.

  • 90°F maximum daytime temperature in May in Haiphong90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Haiphong14
    14 days with some rainfall
  • 75°F minimum night-time temperature in May in Haiphong75
    75°F min night temperature
  • 13 hours of daylight per day in May in Haiphong13
    13 hours of daylight per day
  • Very high heat & humidity in May in HaiphongVH
    Very High heat & humidity
  • 6.7 inches monthly rainfall in May in Haiphong6.7
    6.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Haiphong11
    11+ (Extreme) UV index
  • 81°F sea temperature in May in Haiphong81
    81°F sea temperature

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The May weather guide for Vietnam (Haiphong) 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 Haiphong in May?

Daytime temperatures usually reach 90°F in Haiphong in May with very high heat and humidity, falling to 75°F at night.

How sunny is it in Haiphong in May?

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

How warm is the sea around Haiphong in May?

The average sea temperature around Haiphong in May is 81°F.

Does it rain in Haiphong in May?

There are usually 14 days with some rain in Haiphong in May and the average monthly rainfall is 6.7 inches.

Haiphong May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:23 18:18
Saturday, 16th May 2026 05:16 18:24
Sunday, 31st May 2026 05:12 18:30

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