When is the best time to go to Saint Lucia?

When is the best time to go to Saint Lucia? Here's some information to help you in your decision:

  • In Saint Lucia, the weather is good everywhere in January, February, March, April, May, June, July, September, October, November and December
  • The best months to go to Castries are January, February, March, April, May, June, July, September, October, November and December
  • On average, the warmest months in Castries are January, March, April, May, June, July, August, September, October, November and December
  • The rainiest months in this city are July, August, September and October
  • The cities with the best climate are Castries, Soufrière, Anse-La-Raye, Choiseul, Dennery, Gros Islet, Laborie, Micoud, Vieux Fort and Praslin Bay, with good weather at least 10 months a year
  • The sea temperature is suitable for swimming all year round in Castries

Annual weather in Saint Lucia

For information about the climate and the weather city by city in Saint Lucia for a specific month, click on the corresponding line below:

January 83°F
2 days
February 81°F
2 days
March 81°F
1 days
April 81°F to 85°F
3 to 4 days*
May 83°F to 85°F
4 days
June 83°F to 86°F
6 to 7 days*
July 85°F
8 to 9 days*
August 83°F to 86°F
10 days
September 85°F to 88°F
9 days
October 85°F to 86°F
7 to 9 days*
November 85°F
7 days
December 83°F
4 days
* weather varies across the country

Best time to travel to Saint Lucia by cities

Chargement en cours

Temperatures and rainfall in Saint Lucia

On these 3 graphs, we present the evolution of temperatures of Saint Lucia and month-by-month rainfall for the cities of Castries, Soufrière, Anse-La-Raye, Choiseul and Dennery, as well as the month-by-month sea temperature for coastal cities.

Peak visitor numbers and tourist seasons in Saint Lucia

Find out when Saint Lucia has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Saint Lucia

The months with low numbers of tourists are: January, April, May, June, August, September, October and November. The number of visitors to Saint Lucia is high in: February, March, July and December.

  • Very low season in Saint Lucia: January, June, September and November.
  • Low season in Saint Lucia: April, May, August and October.
  • High season in Saint Lucia: February and July.
  • Peak season in Saint Lucia: March and December.

Figure: Visitor index for Saint Lucia month by month

Average price for flights to Saint Lucia

A return flight between London and Castries is generally cheaper if you go in march ($ 726 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 461 more for your airline ticket to Castries if you go in december.

Find the best price for your flight Flight prices to Saint Lucia

Where to go in Saint Lucia?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities jan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.
Gros Islet83°F83°F83°F85°F85°F86°F86°F86°F88°F86°F86°F85°F
Vieux Fort83°F81°F81°F83°F85°F85°F85°F86°F86°F86°F85°F83°F
Praslin Bay83°F81°F81°F83°F85°F85°F85°F86°F86°F86°F85°F83°F


perfect weather

good weather

tolerable weather

About Saint Lucia

What can I do in Saint Lucia?

Beaches / swimming

Nature and countryside

Culture and heritage


Family travel

Crafts / shopping



Is this weather information for Saint Lucia reliable?

Climate data for Saint Lucia has been gathered every day since January 2009. The analysis of these meteorological data for Saint Lucia allows us to determine the average for each month in Castries, Soufrière, Anse-La-Raye, Choiseul, Dennery, Gros Islet, Laborie, Micoud, and 2 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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