Union Island weather in May 2021

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  • 30°C maximum daytime temperature in May in Union Island30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in May in Union Island14
    14 days with some rainfall
  • 23°C minimum night-time temperature in May in Union Island23
    23°C min night temperature
  • 13 hours of daylight per day in May in Union Island13
    13 hours of daylight per day
  • High heat & humidity in May in Union IslandH
    High heat & humidity
  • 76 mm monthly rainfall in May in Union Island76
    76 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Union Island11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Union Island27
    27°C sea temperature
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The May weather guide for Union Island, St Vincent & the Grenadines 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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How hot is it in Union Island in May?

Daytime temperatures usually reach 30°C in Union Island in May with high heat and humidity, falling to 23°C at night.

How sunny is it in Union Island in May?

There are normally 8 hours of bright sunshine each day in Union Island in May - that's 63% of daylight hours.

How warm is the sea around Union Island in May?

The average sea temperature around Union Island in May is 27°C.

Does it rain in Union Island in May?

There are usually 14 days with some rain in Union Island in May and the average monthly rainfall is 76mm.

Union Island sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Union Island in May 2021. Select a month to view Union Island sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 05:45 18:20
Sunday, 16th May 2021 05:41 18:24
Monday, 31st May 2021 05:39 18:28
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in St Vincent & Grenadines in May for 2021/2022?

Below are average maximum temperatures at popular destinations in St Vincent & Grenadines in May. Select a destination to see more weather parameters.

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