St Lucia weather in April 2021

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Below are average maximum temperatures at popular destinations in St Lucia in April. Select a destination to see more weather parameters.

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The April weather guide for St Lucia 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 St Lucia in April?

Daytime temperatures usually reach 29°C in Castries, St Lucia in April with high heat and humidity, falling to 23°C at night.

How sunny is it in St Lucia in April?

There are normally 8 hours of bright sunshine each day in Castries, St Lucia in April - that's 67% of daylight hours.

How warm is the sea around St Lucia in April?

The average sea temperature around Castries, St Lucia in April is 27°C.

Does it rain in St Lucia in April?

There are usually 11 days with some rain in Castries, St Lucia in April and the average monthly rainfall is 96mm.

St Lucia sunrise & sunset times for April 2021

Browse the sunrise & sunset times for St Lucia in April 2021. Select a month to view St Lucia sunrise & sunset times for the next twelve months. The St Lucia sunrise & sunset times shown below are for Castries.


Date Sunrise times Sunset times
Thursday, 1st April 2021 06:00 18:16
Thursday, 15th April 2021 05:51 18:18
Friday, 30th April 2021 05:42 18:20
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Metric (°C / mm)  |  Imperial (°F / inches)

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