Castries, Saint Lucia skyline

Castries Weather in April

What April is usually like in Castries, Saint Lucia — from 2006–2025 averages.

Expect Castries to reach about 28.7°C (83.7°F) by day and 23.8°C (74.8°F) at night in April, with 13 rainy days bringing 46 mm and around 11.8 hours of sunshine each day.

Avg high

28.7°C (83.7°F)

Avg low

23.8°C (74.8°F)

Rainfall

46 mm (1.8 in)

Rainy days

13 days

Sunshine

11.8 h / day

Humidity

74%

April vs the rest of the year

April is warmer than 5 of the other 11 months, and the 3rd driest month in Castries.

MonthAvg highvs AprilRainRainy days
January27.1°C (80.8°F)−1.6°C (−2.9°F)47 mm15
February27.4°C (81.3°F)−1.3°C (−2.3°F)37 mm11
March28°C (82.4°F)−0.7°C (−1.3°F)39 mm13
April28.7°C (83.7°F)—46 mm13
May29.3°C (84.7°F)+0.6°C (+1.1°F)54 mm15
June29.2°C (84.6°F)+0.5°C (+0.9°F)77 mm18
July28.9°C (84°F)+0.2°C (+0.4°F)106 mm22
August29.2°C (84.6°F)+0.5°C (+0.9°F)117 mm23
September29.7°C (85.5°F)+1°C (+1.8°F)106 mm20
October29.1°C (84.4°F)+0.4°C (+0.7°F)117 mm21
November28.3°C (82.9°F)−0.4°C (−0.7°F)94 mm19
December27.7°C (81.9°F)−1°C (−1.8°F)51 mm15

What April feels like in Castries

In the tropics the calendar matters less: Castries is warm all year round. Afternoons are hot, so sightseeing works best in the morning or evening. There is little difference between day and night: nights stay warm, and evenings feel much like the afternoon. Some humidity hangs in the air, noticeable when the sun is strong.

Rain in Castries in April

Rain is part of normal life this month, falling on about one day in 2. When it rains, it is usually light: about 3.5 mm (0.1 in) per rainy day, more drizzle than downpour. The yearly figure is similar, around 4.3 mm per wet day. It is among the three driest months of the year.

How April compares to the rest of the year

April is the 6th coolest month of the year in Castries. Against March, the average high is 0.7°C (1.3°F) higher, with 7 mm more rain. Temperatures barely move from one month to the next here. By May, typical highs are 29.3°C (84.7°F).

Who April suits

  • Sightseeing: a good fit — daytime temperatures are fine for walking around.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.

Tips for visiting Castries in April

Rain Protection

A compact umbrella and a light waterproof jacket.

Sun Protection

Sunscreen, a hat and sunglasses; light breathable clothes.

Quick questions

How warm is Castries in April?

It feels hot: typical highs are 28.7°C (83.7°F), with lows near 23.8°C (74.8°F).

Does it rain a lot in Castries in April?

Yes, fairly — rain falls about one day in 2 and totals about 46 mm, so an umbrella is worth carrying.

What should I wear in Castries in April?

Pack rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.

Is April or May better for visiting Castries?

April, narrowly: it ranks #2 of 12 among Castries's months, against #4 for the other. May has more rainy days.

Is April a good time to visit Castries?

Good

Good — warm to hot days, frequent rain (about 13 rainy days), plenty of sunshine (11.8 h a day). Within Castries's own year, April ranks #2 of 12 — one of the 3 best months to visit.

Drier places in April

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Castries weather by month.