Castries weather in April 2025

Expect daytime maximum temperatures of 29°C in Castries, St Lucia in April and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 96 mm of rainfall in the month.

  • 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

More about Castries

Castries by month

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

Recommended for St Lucia

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

The April weather guide for St Lucia (Castries) 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)

Back to top

More about St Lucia

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 April sunrise & sunset times

Browse the sunrise and sunset times for Castries in April 2025. Select a month to view Castries sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:00 18:16
Tuesday, 15th April 2025 05:51 18:18
Wednesday, 30th April 2025 05:42 18:20

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^