Marigot Bay weather in August 2025

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

  • 30°C maximum daytime temperature in August in Marigot Bay30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in August in Marigot Bay20
    20 days with some rainfall
  • 24°C minimum night-time temperature in August in Marigot Bay24
    24°C min night temperature
  • 13 hours of daylight per day in August in Marigot Bay13
    13 hours of daylight per day
  • High heat & humidity in August in Marigot BayH
    High heat & humidity
  • 263 mm monthly rainfall in August in Marigot Bay263
    263 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Marigot Bay11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Marigot Bay29
    29°C sea temperature

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The August weather guide for St Lucia (Marigot Bay) 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 Marigot Bay in August?

Daytime temperatures usually reach 30°C in Marigot Bay in August with high heat and humidity, falling to 24°C at night.

How sunny is it in Marigot Bay in August?

There are normally 8 hours of bright sunshine each day in Marigot Bay in August - that's 65% of daylight hours.

How warm is the sea around Marigot Bay in August?

The average sea temperature around Marigot Bay in August is 29°C.

Does it rain in Marigot Bay in August?

There are usually 20 days with some rain in Marigot Bay in August and the average monthly rainfall is 263mm.

What is the chance of a hurricane in Marigot Bay in August?

On average less than 1 day in August in Marigot Bay is likely to be affected by the passage of one or more tropical storms.

Marigot Bay August sunrise & sunset times

Browse the sunrise and sunset times for Marigot Bay in August 2025. Select a month to view Marigot Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:48 18:32
Saturday, 16th August 2025 05:51 18:25
Sunday, 31st August 2025 05:52 18:16

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