St Lucia weather in August 2020

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

More destinations >>

  • Top deals & discounts
  • St Lucia weather overview
  • St Lucia climate averages by month
  • More destinations
  • Best time to go to St Lucia
  • St Lucia 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The August 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.

  • Save up to 10% on holidays to St Lucia
  • Book online with TUI to get discount
  • Low deposits & free child places available

TUITUI deal finder

How hot is it in St Lucia in August?

Daytime temperatures usually reach 30°C in Castries, St Lucia in August with very high heat and humidity, falling to 24°C at night.

How sunny is it in St Lucia in August?

There are normally 8 hours of bright sunshine each day in Castries, St Lucia in August - that's 65% of daylight hours.

How warm is the sea around St Lucia in August?

The average sea temperature around Castries, St Lucia in August is 29°C.

Does it rain in St Lucia in August?

There are usually 20 days with some rain in Castries, St Lucia in August and the average monthly rainfall is 216mm.

What is the chance of a hurricane in St Lucia in August?

On average less than 1 day in August in Castries, St Lucia is likely to be affected by the passage of one or more tropical storms.

St Lucia sunrise & sunset times for August 2020

Browse the sunrise & sunset times for St Lucia in August 2020. 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.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2020 05:48 18:32
Sunday, 16th August 2020 05:51 18:25
Monday, 31st August 2020 05:52 18:16
  • Save up to 10% on holidays to St Lucia
  • Book online with TUI to get discount
  • Low deposits & free child places available

TUITUI deal finder

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about St Lucia

More St Lucia destinations

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.