Castries weather in April 2025

Expect 84°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Castries in April. Check more long-term weather averages for Castries in April before you book your next holiday to St Lucia in 2025/2026.

  • 84°F maximum daytime temperature in April in Castries84
    84°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Castries11
    11 days with some rainfall
  • 73°F minimum night-time temperature in April in Castries73
    73°F 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
  • 3.8 inches monthly rainfall in April in Castries3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Castries11
    11+ (Extreme) UV index
  • 81°F sea temperature in April in Castries81
    81°F sea temperature

More about Castries

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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)  |  Imperial (°F)

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More about St Lucia

How hot is it in Castries in April?

Daytime temperatures usually reach 84°F in Castries in April with high heat and humidity, falling to 73°F 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 81°F.

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 3.8 inches.

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

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