Castries weather in April 2021

Get the latest coronavirus (COVID-19) updates for St Lucia with current travel advice, statistics and online resources.

  • 29°C maximum daytime temperature in April in Castries29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Castries11
    11 days with some rainfall
  • 23°C minimum night-time temperature in April in Castries23
    23°C min night temperature
  • 12 hours of daylight per day in April in Castries12
    12 hours of daylight per day
  • High heat & humidity in April in CastriesH
    High heat & humidity
  • 96 mm monthly rainfall in April in Castries96
    96 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Castries11
    11+ (Extreme) UV index
  • 27°C sea temperature in April in Castries27
    27°C sea temperature
  • Top deals & discounts
  • Castries weather overview
  • Castries climate averages by month
  • More destinations
  • Best time to go to Castries
  • Castries 5-day weather forecast

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

The April weather guide for Castries, 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.

Recommended for St Lucia

  • Pay low deposits from just £175 per person
  • Book Caribbean holidays for 2020/2021 with Sandals online
  • Final payment due just 10 weeks before departure

How hot is it in Castries in April?

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

How sunny is it in Castries in April?

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

How warm is the sea around Castries in April?

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

Does it rain in Castries in April?

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

Castries sunrise & sunset times for April 2021

Browse the sunrise & sunset times for Castries in April 2021. Select a month to view Castries sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

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
  • Browse best fares on flights departing in next 3 months
  • Filter deals by departure airport, destination & more
  • Find the ideal departure time, price & length of stay

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

Back to top

Discover more about St Lucia

Where is hot in St Lucia in April for 2021/2022?

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

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.