Gros Islet weather in May 2025

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

  • 30°C maximum daytime temperature in May in Gros Islet30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in May in Gros Islet15
    15 days with some rainfall
  • 24°C minimum night-time temperature in May in Gros Islet24
    24°C min night temperature
  • 13 hours of daylight per day in May in Gros Islet13
    13 hours of daylight per day
  • High heat & humidity in May in Gros IsletH
    High heat & humidity
  • 124 mm monthly rainfall in May in Gros Islet124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Gros Islet11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Gros Islet27
    27°C sea temperature

More about Gros Islet

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The May weather guide for St Lucia (Gros Islet) 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 Lucia

How hot is it in Gros Islet in May?

Daytime temperatures usually reach 30°C in Gros Islet in May with high heat and humidity, falling to 24°C at night.

How sunny is it in Gros Islet in May?

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

How warm is the sea around Gros Islet in May?

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

Does it rain in Gros Islet in May?

There are usually 15 days with some rain in Gros Islet in May and the average monthly rainfall is 124mm.

Gros Islet May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:42 18:20
Friday, 16th May 2025 05:37 18:24
Saturday, 31st May 2025 05:35 18:29

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