Vientiane weather in May 2023

  • 34°C maximum daytime temperature in May in Vientiane34
    34°C max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in May in Vientiane18
    18 days with some rainfall
  • 24°C minimum night-time temperature in May in Vientiane24
    24°C min night temperature
  • 13 hours of daylight per day in May in Vientiane13
    13 hours of daylight per day
  • Very high heat & humidity in May in VientianeVH
    Very High heat & humidity
  • 236 mm monthly rainfall in May in Vientiane236
    236 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Vientiane11
    11+ (Extreme) UV index
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The May weather guide for Laos (Vientiane) 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.

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

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How hot is it in Vientiane in May?

Daytime temperatures usually reach 34°C in Vientiane in May with very high heat and humidity, falling to 24°C at night.

How sunny is it in Vientiane in May?

There are normally 7 hours of bright sunshine each day in Vientiane in May - that's 52% of daylight hours.

Does it rain in Vientiane in May?

There are usually 18 days with some rain in Vientiane in May and the average monthly rainfall is 236mm.

Vientiane May sunrise & sunset times

Browse the sunrise and sunset times for Vientiane in May 2023. Select a month to view Vientiane sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2023 05:43 18:30
Tuesday, 16th May 2023 05:37 18:35
Wednesday, 31st May 2023 05:33 18:41

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