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Best and Worst Times to Visit St. Lucia

Updated on August 2, 2017
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Scott Bateman is a professional journalist who has traveled widely throughout the Caribbean.

Castries harbor in St. Lucia is beautiful during good weather.
Castries harbor in St. Lucia is beautiful during good weather. | Source

We picked the perfect day to visit St. Lucia by cruise. The sky was clear and temperatures were perfect for spending time in the sun.

St. Lucia in the eastern Caribbean is one of our favorite islands because of beautiful beaches, Castries harbor and the rolling green landscapes. We picked the right time to go because of a little research into the island’s weather that improved our chances for blue skies.

The average weather for St. Lucia shows the best month to visit is April with two inches of rain and a high temperature of 86 Fahrenheit or 30 Celsius.

But not everyone can visit in April. In fact, April is not one of the three most popular months to visit. Vacation planners have their own reasons to go there during other months. Knowing the historical weather patterns will make it easier to pick which months to go and which ones to avoid.

Tourism statistics show March, July and December are the most popular months to visit St. Lucia.
Tourism statistics show March, July and December are the most popular months to visit St. Lucia. | Source

Tourism Statistics: Most Popular Months

St. Lucia attracts about 1 million cruise and stopover visitors every year, according to the Caribbean Tourism Organization. More than 600,000 arrive by cruise ship and more than 300,000 stay multiple nights.

The three most popular months to visit are March, July and December. Tourism spikes during all three months because of time off from schools that allow families to go on vacation together.

The three least popular months are June, September and October, especially the second two. September and October are the worst months for rain, hurricanes and tropical storms during the Caribbean hurricane season. It officially begins June 1 and ends Nov. 30 every year.

July through November are the worst months for rain in St. Lucia.
July through November are the worst months for rain in St. Lucia. | Source

Best and Worst Months for Rain

The best months for rain are January through April with an average of about two inches or less. May is another option with an average of less than three inches.

January has the lowest average rainfall of any month. But it also has the coolest temperatures. Caribbean temperatures of course matter for people who love spending time on the beaches and frollicking in the water.

St. Lucia Hurricane Season

St. Lucia has a hurricane season because the Caribbean has one that goes from June 1 to Nov. 30. The worst two months are September and October. The island rarely gets hit directly by a storm or hurricane. But at times it gets heavy rains and strong winds from ones that pass in the area.

According to the U.S. National Hurricane Center, the historical averages for Caribbean tropical storms and hurricanes are:

  • June: one tropical storm every other year and few if any that become hurricanes
  • July: three tropical storms with two that develop into hurricanes
  • August: three tropical storms with two that become hurricanes
  • September: four tropical storms with that that turn into hurricanes
  • October: four tropical storms with only rare hurricanes
  • November: one tropical storm every other year with few that develop into hurricanes

Not every Caribbean island gets hit hard with rain in September and October. But St. Lucia does with a historical average of nearly eight inches each, according to the St. Lucia Meteorological Service. November is not far behind with about seven inches. They are the three worst months for rain.

St. Lucia temperatures reach their high point from May through October.
St. Lucia temperatures reach their high point from May through October. | Source

Best and Worst Months for Temperatures

The Caribbean is known for year-round warmth. While it is certainly warmer than more northern cities and countries, it does have lower temperatures in the winter. They make water temperatures too chilly for swimming for some destinations and during certain times of the day.

It’s no surprise that January and February are the coolest months of the year with average high temperatures of less than 84 degrees Fahrenheit or about 29 Celsius.

They sounds plenty warm except for the fact that lower nighttime temperatures, chilly water currents from the north and strong trade winds bring down the wind chill factor. I have visited enough Caribbean destinations to know that many people often stay out of the water during the winter, especially in the mornings. I saw it in February even in Aruba, one of the hottest islands in the Caribbean.

The average high temperatures in St. Lucia reach 87 Fahrenheit or about 31 Celsius from May through October. Even though the average high is only three degrees more than January and February, the nighttime temperatures go up even more and northern water currents are much warmer.

So people who don’t plan to spend much time in the water may want to visit St. Lucia during the winter to get away from northern cold and snow. People who do like the water should visit in the late spring or early summer.

I have visited enough Caribbean destinations to know that many people often stay out of the water during the winter ...

The number of days with rain shows that the first half of the year is much better than the second half.
The number of days with rain shows that the first half of the year is much better than the second half. | Source

Number of Days with Rain

One more factor makes it easier to choose the best and worst months to go to St. Lucia. The number of days with rain each month increases or decreases the risk with weather.

St. Lucia clearly has a dry season and rainy season based on the number of days with rain. It averages about 15 days a month from January through June. January and April are the two best. The averages jump to 20 days or more from July through November.

Those numbers make it even more clear that the best months to go are during the first half of the year. The worst months to go are during the second half.

© 2017 Scott Bateman

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    • promisem profile image
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      Scott Bateman 3 weeks ago

      Thanks, Dora. We were lucky enough to arrive at the harbor when many flowers were in bloom. It was quite beautiful.

    • MsDora profile image

      Dora Isaac Weithers 3 weeks ago from The Caribbean

      Another good job, Scott. I haven't been to St.Lucia. The Castries harbor offers a beautiful and unique view.

    • promisem profile image
      Author

      Scott Bateman 4 weeks ago

      LOL. A choice between Iceland and St. Lucia is an interesting one. My brother and son have both been to Iceland and liked it quite a bit. We prefer the beaches, but I still hope to go to Iceland one day.

      Thanks for your comment. If you need any more tips to help win over your wife, please don't hesitate to send me a note.

    • Tim Truzy info4u profile image

      Tim Truzy 4 weeks ago from U.S.A.

      This article is very informative. I enjoy your articles. I will show this to my wife. Maybe she will forget about going to Iceland for a vacation. Thanks.