Saint Lucia

Saint Lucia Weather in May

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

Planning a trip to Saint Lucia this May? Here's what you need to know about the weather:

What to Expect in Saint Lucia in May

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

Temperatures

You can expect warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 26°C (79°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 explore the conditions in Saint Lucia in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Soufrière with an average of 56 mm (2.2 in) to moderate rainfall in Mon Repos with 66 mm (2.6 in).

Average sunshine

May brings good sunshine to many areas. Gros Islet sees around 249 hours of sunlight, great for visitors looking for bright days.

Explore Saint Lucia by month

Best Places to Visit in Saint Lucia in May

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 May for some of the most popular destinations in Saint Lucia?

Temperature range in Saint Lucia (May)

Precipitation variation in Saint Lucia (May)

Gros Islet

In May Gros Islet generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
239 hours
249 hours
239 hours
Monthly rainfall
53 mm (2.1 in)
64 mm (2.5 in)
91 mm (3.6 in)
Monthly rainy days
11 days
15 days
19 days
Weather conditions

Soufrière

In May Soufrière generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
239 hours
249 hours
239 hours
Monthly rainfall
47 mm (1.9 in)
56 mm (2.2 in)
82 mm (3.2 in)
Monthly rainy days
11 days
15 days
19 days
Weather conditions

Castries

In May Castries generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
239 hours
249 hours
239 hours
Monthly rainfall
50 mm (2 in)
59 mm (2.3 in)
81 mm (3.2 in)
Monthly rainy days
11 days
15 days
19 days
Weather conditions

Cap Estate

In May Cap Estate generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
239 hours
249 hours
239 hours
Monthly rainfall
53 mm (2.1 in)
65 mm (2.6 in)
92 mm (3.6 in)
Monthly rainy days
11 days
15 days
19 days
Weather conditions

Vieux Fort

In May Vieux Fort generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
29°C (84°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
239 hours
249 hours
239 hours
Monthly rainfall
51 mm (2 in)
62 mm (2.4 in)
95 mm (3.7 in)
Monthly rainy days
10 days
15 days
18 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Gros Islet 30°C (86°F) 26°C (79°F) 64 mm (2.5 in)
Soufrière 30°C (86°F) 26°C (79°F) 56 mm (2.2 in)
Castries 31°C (88°F) 25°C (77°F) 59 mm (2.3 in)
Vieux Fort 30°C (86°F) 26°C (79°F) 62 mm (2.4 in)
Marigot Bay 31°C (88°F) 25°C (77°F) 58 mm (2.3 in)
Marisule Estate 30°C (86°F) 25°C (77°F) 63 mm (2.5 in)

Saint Lucia weather in May: frequently asked questions

What is the weather like in Saint Lucia in May?

Saint Lucia typically experiences tolerable weather in May, part of the season. Daytime highs in Gros Islet average around 30°C (86°F), and temperatures drop to about 26°C (79°F) at night.

What is the average temperature in Saint Lucia in May?

In Gros Islet, the average daytime high in May is 30°C (86°F), while nighttime temperatures drop to around 26°C (79°F).

Does Saint Lucia get a lot of rain in May?

Rain is generally moderate to light in Saint Lucia during May, with Gros Islet averaging close to 64 mm (2.5 in).

Is May a Good Time to Visit Saint Lucia?

In our opinion, May is a good time to visit Saint Lucia with overall pleasant weather in Gros Islet. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in January, February, March, April and December offering mostly perfect weather in Gros Islet. The weather in July, August, September, October and November, on the other hand, tends to be unpleasant.

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.