Mustique weather in May 2025

Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Mustique in May. Check more long-term weather averages for Mustique in May before you book your next holiday to St Vincent & the Grenadines in 2025/2026.

  • 30°C maximum daytime temperature in May in Mustique30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 14 days with some rainfall in May in Mustique14
    14 days with some rainfall
  • 23°C minimum night-time temperature in May in Mustique23
    23°C min night temperature
  • 13 hours of daylight per day in May in Mustique13
    13 hours of daylight per day
  • High heat & humidity in May in MustiqueH
    High heat & humidity
  • 149 mm monthly rainfall in May in Mustique149
    149 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Mustique11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Mustique27
    27°C sea temperature

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The May weather guide for St Vincent & the Grenadines (Mustique) 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 / mm)  |  Imperial (°F / inches)

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More about St Vincent & the Grenadines

How hot is it in Mustique in May?

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

How sunny is it in Mustique in May?

There are normally 8 hours of bright sunshine each day in Mustique in May - that's 64% of daylight hours.

How warm is the sea around Mustique in May?

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

Does it rain in Mustique in May?

There are usually 14 days with some rain in Mustique in May and the average monthly rainfall is 149mm.

Mustique May sunrise & sunset times

Browse the sunrise and sunset times for Mustique in May 2025. Select a month to view Mustique sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:44 18:20
Friday, 16th May 2025 05:39 18:23
Saturday, 31st May 2025 05:38 18:28

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