Marigot Bay

Saint Lucia Weather in October

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

Are you planning a trip a to Saint Lucia in October and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Saint Lucia in October

October in Saint Lucia generally has very warm temperatures, with high precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 26°C (79°F) in Gros Islet. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

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

Precipitation

In October, precipitation varies across different areas. From high rainfall in Castries with an average of 133 mm (5.2 in) to high rainfall in Mon Repos with 157 mm (6.2 in). Based on our climate, it is the month with the most precipitation throughout the year in Gros Islet.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Gros Islet sees close to 214 hours of sunlight, making it great for sun lovers.

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 October

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

Temperature range in Saint Lucia (October)

Precipitation variation in Saint Lucia (October)

Gros Islet

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

September
October
November
Max temperature
31°C (88°F)
30°C (86°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
238 hours
214 hours
241 hours
Monthly rainfall
138 mm (5.4 in)
149 mm (5.9 in)
133 mm (5.2 in)
Monthly rainy days
24 days
18 days
19 days
Weather conditions

Soufrière

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

September
October
November
Max temperature
31°C (88°F)
30°C (86°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
238 hours
214 hours
241 hours
Monthly rainfall
128 mm (5 in)
137 mm (5.4 in)
119 mm (4.7 in)
Monthly rainy days
24 days
18 days
19 days
Weather conditions

Castries

In October Castries generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are good that month.

September
October
November
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
238 hours
214 hours
241 hours
Monthly rainfall
122 mm (4.8 in)
133 mm (5.2 in)
117 mm (4.6 in)
Monthly rainy days
24 days
18 days
19 days
Weather conditions

Cap Estate

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

September
October
November
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
238 hours
214 hours
241 hours
Monthly rainfall
140 mm (5.5 in)
150 mm (5.9 in)
134 mm (5.3 in)
Monthly rainy days
25 days
18 days
19 days
Weather conditions

Vieux Fort

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

September
October
November
Max temperature
30°C (86°F)
30°C (86°F)
29°C (84°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
238 hours
214 hours
241 hours
Monthly rainfall
143 mm (5.6 in)
151 mm (5.9 in)
134 mm (5.3 in)
Monthly rainy days
23 days
18 days
19 days
Weather conditions

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

In our records: Saint Lucia October extremes

Notable October 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 warmest October day in Saint Lucia reached 39°C (102°F) in Saint Lucia on October 1, 2023.
  • From our sources, the wettest October day in Saint Lucia brought 286 mm (11 in) in Micoud on October 11, 2008.

Popular cities in October

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

City Weather Day temp Night temp Rainfall
Gros Islet 30°C (86°F) 26°C (79°F) 149 mm (5.9 in)
Soufrière 30°C (86°F) 26°C (79°F) 137 mm (5.4 in)
Castries 31°C (88°F) 26°C (79°F) 133 mm (5.2 in)
Vieux Fort 30°C (86°F) 26°C (79°F) 151 mm (5.9 in)
Marigot Bay 31°C (88°F) 26°C (79°F) 134 mm (5.3 in)
Marisule Estate 30°C (86°F) 26°C (79°F) 143 mm (5.6 in)

Saint Lucia weather in October: frequently asked questions

What is the weather like in Saint Lucia in October?

Saint Lucia typically experiences mixed weather in October, 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 October?

Daytime temperatures in Gros Islet peak at roughly 30°C (86°F) in October, dropping to about 26°C (79°F) overnight.

Does Saint Lucia get a lot of rain in October?

Gros Islet typically receives notable rainfall in October, about 149 mm (5.9 in) on average across Saint Lucia.

Is October a Good Time to Visit Saint Lucia?

In our view, October might not be the best time to travel to Saint Lucia with often good weather in Gros Islet.

Generally speaking, the best visiting conditions can be found in January, February, March, April and December offering mostly 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.