A Visitor’s Guide to the St. Lucia Weather in December

Thinking of Traveling to St. Lucia in December?

Well,

December is actually one of the best months to travel to St. Lucia on holiday.

Why?

Because in December, the weather in St. Lucia in incredibly balanced and perfect for a fun-filled time at the beach. Unlike during the summer when the rain and harsh temperatures escalate, the St. Lucia weather in December presents an ideal time to travel and create a ton of pleasant memories in St Lucia.

But, it gets even better.

Being an Eastern Caribbean island, St. Lucia is graced with an incredible tropical climate that attracts many tourists from season to season. While you enjoy the fantastic December weather, you’ll also get to experience the natural beauty that graces every corner of this island paradise.

Beautiful volcanic black sand beaches, hills and lush rainforests and cultural mix of friendly people travelers will find there, making it a favorite holiday destination for people all over the world.

Although St. Lucia tends to be humid in December, the humidity and high temperatures are put in check by the saline winds from the sea. This controls the climate, making it ideal for those looking to have a time of their lives.

 

Averages for St. Lucia Weather in December

The high temperatures during the St. Lucia weather in December would usually bring with it an increased probability of rainfall. The increased rain happens most months of the year but not December. Even though it is winter, December in St Lucia experiences an average temperature of between 25C to 30C with an average rainfall of about 138mm stretching over the course of 19 days.

Every day you get to experience 11 hours of warm sunshine and roughly 73% humidity. If you feel too hot, a quick dive into the crystal blue waters with an average temperature of about 28C will help cool the heat away. However, this might not be necessary as the sea winds with an average speed of 14mph will usually bring down the temperatures to pleasantly warm levels. The temperatures get cooler in St Lucia in December, especially at nights.

When December kicks off, the average temperature is at 27.5C (25C – 30C), and by the end of the month, it would have dropped to 27C (25C-27C). There are, however, rare occasions, say 10% of the days, when the temperature can go above 30C and drop below 22C during December.

The highest temperature the Island has ever experienced during December is around 33C with the lowest being 16C.

 

The fact that December is the coolest across the year makes it the ideal time to visit St Lucia if you despise the unforgiving heat. You should however not forget that despite the chilly temperatures in St Lucia in December, it might be hotter than where you come from, such as the United Kingdom, the United States and Canada. In this case, you should make sure to come armed with light clothing with some suntan lotion in case you find the weather hotter than you prefer. But in case you come from a cold country and want to experience the hot sun when the temperature is at its peak, you should visit in August as opposed to December.

 

How Much Rainfall does St. Lucia Get in December?

As compared to other months like November, St Lucia receives significantly low rainfall in December. On average, 102mm/4 inches of rain is experienced during the of course of 19 days, which means that some rain may get in your way during your St. Lucia vacation in December. There may be rainfall at least 2/3 of the month, which means leaving your raincoats and umbrellas behind may not be a good idea especially if you don’t want to spend any part of your holiday cooped up indoors.

Weather experts estimate that there is a 60% chance of rainfall occurring at the beginning of December with the probability dropping to 59% by the 11th of December. Towards the end of the month around December 22nd, the probability again rises to 61% and reduces to 57% when the month comes to an end around December 31st.

St. Lucia in December usually experiences light (64%) and moderate (26%) rainfall, which shouldn’t mess things up during your vacation.

 

Average Hours of Sunshine St. Lucia Gets in December

On a typical day, you can expect to enjoy up to 8 hours of sunshine. Although there might be median occasional cloud coverage which starts at 59% at the beginning of the month and drops to 57% when December 31st approaches, you will not miss an opportunity to sunbathe. The sky will usually be clear 28% of the time, which is enough to get a sufficient dose of vitamin D.

 

What’s the Average Sea Temperature for St. Lucia in December

For most of the year, you will hardly find the sea too hot for your skin. The water is usually more cooling during the day and pleasantly warm during the night. In December the average temperature of the sea drops to about 28C. November also has the same Average sea temperature in St. Lucia as in December, which means that you don’t have to wait until December to have some fun time at the beach.

 

How Humid does it get in St. Lucia in December?

St Lucia is humid throughout the year, because of its tropical climate. The Island’s humidity in December ranges from mild (65%) to very high (90%). It hardly goes up to 98% or below 56%. At around December 28th, the relative humidity goes below 68%, making the air very dry. During the last couple of days in December, the moisture shoots above 85% which is usually the highest.

 

Does St. Lucia Get Hurricanes in December?

The Caribbean island is prone to tropical storms and hurricanes, meaning St. Lucia is not an exception. However, tropical storms and hurricanes are rarely seen in December. They might pass from June to November and become stronger from August to October.

 

What are the Best Months to Visit St. Lucia?

December to April is usually the ideal months to enjoy a perfect holiday in St. Lucia. During these months the weather is cool, and rainfall is rarely experienced. January to April is the driest of all the months and ideal for those who are looking for as low humidity as possible.

 

What to Pack for the Weather in St. Lucia?

St. Lucia generally has favorable temperatures so you wouldn’t want to bother yourself with heavy clothing. Mostly, you should pack light clothes made of natural fabric. When the temperatures drop and the rainfall kicks in, a light sweatshirt and a raincoat are all you need. You will wear the sweater most evenings, especially from December to February when the temperatures are lower.

 

December is arguably the perfect month of the year to visit St. Lucia. The St. Lucia weather in December is ideal for outdoor fun and adventure. There is a myriad of things you can do in St. Lucia to make the most of the perfect weather. You can relax on St. Lucia’s beautiful beaches, visit the islands coolest hotspots like Marigot Bay and Rodney Bay, You can explore St. Lucia’s famous landmarks and visit the islands major tourist attractions. There might be the occasional rainfall and cloud cover, but it’s rarely significant to interfere with your holiday in St. Lucia.