St Lucia Weather in January

By Kirk Elliott – Sustainable Tourism Advocate & National Geographic Certified Educator
Updated August 13th 2023


So you’re planning a trip to St. Lucia and St Lucia Weather in January is top of your mind!

Well with this review I will put your mind at ease by covering exactly what you can expect when you visit.

As a photographer most of my work is produced outdoors. As a result I have had to get to know the weather inside out because you can imagine the frustration clients would have if I got the weather wrong every time we went out! Gosh, that simply wouldn’t do.

So what I bring you is my intimate knowledge and understanding of our weather … and for good measure I have backed up this weather review by referencing 12 years of data that I went out and got from the Saint Lucia Meteorological Office (2005 – 2016).

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Should you have any questions about St Lucia weather, or anything else after reading this St Lucia weather in January review simply click any of the green Contact Kirk Buttons below, or use the Chat Button at the lower right corner of this page to reach out.

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Think of us as your eyes and ears on the ground over here long before you arrive. And just to let you know: I personally read and respond to all comments and questions posted.

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Weather in St Lucia in January featured in a view of Pigeon Island from the beach in Gros Islet
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St Lucia Weather in January

By the time January comes round you will be well into the thick of winter depending on where you live, and probably all you can dream about is your upcoming getaway to the tropical warmth and sunshine of St Lucia. Needless to say you will want to know what to expect of St Lucia weather in January. Unlike most other websites that just give you raw data I’m also gonna share my take on the weather down here in January.

St Lucia is a tropical Caribbean paradise that forms part of the Windward Islands. Unlike more northerly and southerly places that have four seasons St Lucia enjoys a wet and a dry season only. January is the second month of the dry season and at this time of year there is plenty of blazing sunshine and a low probability of rain. However being just into the second month of the dry season the hillsides are still a beautiful rich green colour like what you see in the picture below.

The Pitons of St Lucia viewed from Jade Mountain showing typical St Lucia Weather in January
Lush Green St Lucia Hillsides with The Pitons in the Distance

St Lucia January Temperatures at Sea Level

St Lucia Meteorology Office records from 2005 – 2016 shows an average high temperature of 29° C / 84.2° F and an average low of 23.5° C / 74.3° F. Just like St Lucia Weather in December January also features a 6° C / 10° F average daily temperature range with January being the month with the lowest high temperature of the year and the 2nd lowest low temperature of the year. It is also instructive to note that there is a negligible high and low temperature difference between January and December.

St Lucia Weather in January – Sunshine

January enjoyed an average of 265 hours of bright sunshine over the 12 year period under consideration with the sun rising at approximately 6:30 AM each day of the month and setting as early as 5:45 PM at the start of the month, while closing out the month setting at about 6:00 PM.

It is interesting to note that while the sun comes out around the same time each day in January, the sun keeps setting later as the month progresses. By the time January ends we are up to 11.5 hours of daylight and if we think of St Lucia weather in February we can imagine that the days are likely to be longer still.

St Lucia Weather in January – Rainfall

Average rainfall over the 12 year period was 79 inches which is just over 2 inches per day. This is also about 20% less rainfall than occurred in December, which is a clear indication of being in the St Lucia dry season. With such little rainfall the great outdoors beckon as a number of days may go by with little to no rain at all, especially on the northern and southern extremes of the island.

Love Photography? – Then Join Us On A Private St Lucia Photo Tour

Kirk and Clients doing a jig in the military ruins at Vigie, Saint Lucia on one of Kirk's Private St Lucia Photo Tours
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If you love the great outdoors why not join us for a Private St Lucia Photo Tour.

If you have a Digital SLR camera and mostly shoot in Auto Mode come spend a day with us and discover the things your cameras can truly do. Plus we’ll take you places most visitors never go to discover things those visitors will never know!

These private photo tours take into account your photography proficiency, what you enjoy shooting, what areas give you the most challenge and what will make your day out with us most memorable. This is customization on a whole new level of excellence, and you will come back with the pictures to prove it.

And we cater for you non-photographer spouse or partner so they never feel bored nor left out.

St Lucia Weather in January – General Weather Overview

Coming out of St Lucia weather in December the rains of the rainy season are now gone and January tends to be beautiful sunshine and perfect weather for just about anything you wish to do.

As part of this 2023 St Lucia weather in January update I’ve put together the video below which highlights our typical January weather. Now imagine yourself basking in this warm golden sunshine, especially if where you live is bitterly cold in the winter.

Can you hear Saint Lucia calling?!

…and If your St Lucia vacation extends into February you will be happy to know that St Lucia weather in February continues to be similar to the St Lucia weather in January, though this is probably no big surprise.

St Lucia Weather in January – 10 Day Weather Forecast

Because being in tune with the weather is so important when on vacation, check a St Lucia 10 Day Weather Forecast to get an idea of the weather you can expect during your stay.

A Point Worth Noting

While these forecasts are generally spot on there is really no need to obsess about the weather as you will discover when you arrive that it’s simply impossible for rain to dampen your spirits because while the rain is wet it is quite warm and can thus be quite enjoyable, especially as it never lasts for very long.

Ignore the postings that speak about the percentage chance of rain as these tend to mislead you into believing that your day could be ruined due to rain when you see postings such as 80% chance of rain.

Truth is the rains tend to come down for a few minutes many mornings then blazing sunshine follows, and that could be it for the day. Or sometimes there can be a brief shower during the day or again early in the evening. But in the bigger scheme of your vacation these bouts will have no meaningful impact on your vacation.

So there you have it – All about St Lucia weather in January and just a few of the wonderful things you can do that will make your St Lucia vacation spectacularly grand.

St Lucia Photo Tours & Private Experiences

Weather in St Lucia in January featured in a view of Pigeon Island from the beach in Gros Islet
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Whether you are passionate about photography and want to master your camera and get the best t Lucia shots, or you wish to discover more about our Custom Designed Private St Lucia Experiences we’d love to hear from you.

Click Here to see some of our most popular offerings then shoot us a message to set up a Zoom Consultation.

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Got A Question?

I hope you have found this St Lucia Weather in January review informative and helpful, and it has set your mind at ease regarding what you can expect of the weather when you arrive.

Should you still have questions about the weather, or anything else at all use the use the Contact Kirk Button below to submit your question …or simply post in the comments section below.

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