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Saint Lucia Weather in April

Average temperatures, rainfall, sunshine and the best places to visit in Saint Lucia in April.

Thinking about venturing to Saint Lucia this April and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Saint Lucia in April

April in Saint Lucia generally has warm temperatures, with moderate precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 29°C (84°F) and nighttime temperatures around 25°C (77°F) in Gros Islet. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To learn more about the conditions in specific areas of Saint Lucia, check out the map below.

Precipitation

In April, precipitation varies across different areas. From moderate rainfall in Soufrière with an average of 47 mm (1.9 in) to moderate rainfall in Mon Repos with 56 mm (2.2 in).

Average sunshine

Most destinations offer generous amounts of sunshine this April. For example, Gros Islet gets approximately 239 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Saint Lucia by month

Pick a month to see the average temperature, rainfall and sunshine in Saint Lucia - and find the best time to visit. (based on Gros Islet)

Best Places to Visit in Saint Lucia in April

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Saint Lucia.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Saint Lucia

What is the weather like in April for some of the most popular destinations in Saint Lucia?

Temperature range in Saint Lucia (April)

Precipitation variation in Saint Lucia (April)

Gros Islet

In April Gros Islet generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

March
April
May
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
245 hours
239 hours
249 hours
Monthly rainfall
40 mm (1.6 in)
53 mm (2.1 in)
64 mm (2.5 in)
Monthly rainy days
13 days
11 days
15 days
Weather conditions

Soufrière

In April Soufrière generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are very good that month.

March
April
May
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
245 hours
239 hours
249 hours
Monthly rainfall
35 mm (1.4 in)
47 mm (1.9 in)
56 mm (2.2 in)
Monthly rainy days
13 days
11 days
15 days
Weather conditions

Castries

In April Castries generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are very good that month.

March
April
May
Max temperature
30°C (86°F)
30°C (86°F)
31°C (88°F)
Min temperature
24°C (75°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
245 hours
239 hours
249 hours
Monthly rainfall
38 mm (1.5 in)
50 mm (2 in)
59 mm (2.3 in)
Monthly rainy days
13 days
11 days
15 days
Weather conditions

Cap Estate

In April Cap Estate generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

March
April
May
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
245 hours
239 hours
249 hours
Monthly rainfall
40 mm (1.6 in)
53 mm (2.1 in)
65 mm (2.6 in)
Monthly rainy days
13 days
11 days
15 days
Weather conditions

Vieux Fort

In April Vieux Fort generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

March
April
May
Max temperature
28°C (82°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
245 hours
239 hours
249 hours
Monthly rainfall
38 mm (1.5 in)
51 mm (2 in)
62 mm (2.4 in)
Monthly rainy days
12 days
10 days
15 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Saint Lucia.

In our records: Saint Lucia April extremes

Notable April records observed across cities in Saint Lucia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest April daytime high in Saint Lucia was 24°C (75°F) in Vieux Fort on April 1, 1989.

Popular cities in April

Day & night temperatures, rainfall and average weather in Saint Lucia in April.

City Weather Day temp Night temp Rainfall
Gros Islet 29°C (84°F) 25°C (77°F) 53 mm (2.1 in)
Soufrière 30°C (86°F) 25°C (77°F) 47 mm (1.9 in)
Castries 30°C (86°F) 25°C (77°F) 50 mm (2 in)
Vieux Fort 29°C (84°F) 25°C (77°F) 51 mm (2 in)
Marigot Bay 30°C (86°F) 25°C (77°F) 49 mm (1.9 in)
Marisule Estate 30°C (86°F) 25°C (77°F) 53 mm (2.1 in)

Saint Lucia weather in April: frequently asked questions

What is the weather like in Saint Lucia in April?

In April, Saint Lucia generally has excellent weather conditions. Gros Islet sees daytime temperatures near 29°C (84°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Saint Lucia in April?

Average temperatures in Saint Lucia during April range from a nighttime low near 25°C (77°F) to a daytime high around 29°C (84°F) in Gros Islet.

Does Saint Lucia get a lot of rain in April?

Not particularly. Gros Islet averages just 53 mm (2.1 in) of rain in April, making it a mostly dry month for Saint Lucia.

Is April a Good Time to Visit Saint Lucia?

We consider April to be one of the best times to travel to Saint Lucia. Typically, the climate in Gros Islet is excellent. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Saint Lucia is in January, February, March, April and December with generally excellent weather in Gros Islet. On the other hand, the months of July, August, September, October and November tend to have mixed weather conditions.

Interested in more climate information?

We have much more information about the climate in Saint Lucia.

Weather and climate has detailed information for every country in the world. Are you going to Saint Lucia? Get detailed historical weather averages for many cities in Saint Lucia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.