St Lucia weather in March 2021

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

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The March 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 March?

Daytime temperatures usually reach 29°C in Castries, St Lucia in March with moderate heat and humidity, falling to 22°C at night.

How sunny is it in St Lucia in March?

There are normally 8 hours of bright sunshine each day in Castries, St Lucia in March - that's 69% of daylight hours.

How warm is the sea around St Lucia in March?

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

Does it rain in St Lucia in March?

There are usually 13 days with some rain in Castries, St Lucia in March and the average monthly rainfall is 76mm.

St Lucia sunrise & sunset times for March 2021

Browse the sunrise & sunset times for St Lucia in March 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.

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