Weather in St Lucia in December

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Visiting St Lucia in December

The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. It is a good time for sunbathing in St Lucia.

December has total rainfall of 22.8cm (9.0inches) making it quite rainy but mostly with moderate tropical showers. There are 16.1 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 28°C (82°F). December is an excellent month for swimming in St Lucia with very comfortable temperatures for bathing all day. The sea temperature in December is slightly cooler than the previous month.

Consider visiting St Lucia in the months of January, February, March, April, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in St Lucia in December?

Yes, December is a good time for sunbathing in St Lucia.

December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. December has total rainfall of 22.8cm (9.0inches) making it quite rainy but mostly with moderate tropical showers. There are 16.1 days with some rainfall so you can still enjoy the beach on the clear days.

More about December temperature and sunshine.

Can you swim in St Lucia in December?

Yes, December is an excellent month for swimming in St Lucia with very warm sea temperatures 28°C (82°F).

More about December sea temperatures.

Is December a good time to holiday in St Lucia?

Yes, December is a good time for a holiday in St Lucia.

December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. December has total rainfall of 22.8cm (9.0inches) making it quite rainy but mostly with moderate tropical showers. There are 16.1 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in St Lucia. Sea temperatures are a very warm 28°C (82°F). December is an excellent month for swimming in St Lucia with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is St Lucia warm in December?

Yes, St Lucia is very warm and perfect for sunbathing on clear days in December.

The average maximum temperature in St Lucia in December is 29°C (84°F). The average maximum temperature is 30°C (86°) in the previous month and 29°C (83°F) in the next month.

The average temperature in St Lucia in December is 27°C (81°F). The average temperature is 28°C (82°F) in the previous month and 27°C (80°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is St Lucia in December?

The average day light hours per day in St Lucia in December are 11.3. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

More about December sunshine.

Temperature in St Lucia in December

The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in St Lucia in December is 29°C (84°F). The average maximum temperature is 30°C (86°F) in the previous month and 29°C (83°F) in the next month.

The average temperature in St Lucia in December is 27°C (81°F). The average temperature is 28°C (82°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in St Lucia in December is 25°C (77°F). The minimum temperature is 25°C (78°F) in the previous month and 24°C (76°F) in the next month.

Sunshine in St Lucia in December

The days in December are slightly shorter than the previous month. December has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise slightly into January. During December the average day light hours are 11.3 per day in St Lucia. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

The ultraviolet index in St Lucia in December is typically 9 during December. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in St Lucia in December

The average sea water temperature in St Lucia in December is 27.5°C (81.5°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in December is slightly cooler than the previous month.

Rainfall in St Lucia in December

December weather is drier than the previous month and rainfall continues to drop markedly into January. December has fewer days of rain than the previous month. The average total rainfall in St Lucia in December is 22.8cm (9.0inches) and on average there are 16.1 rainy days in December making it a wet time to visit the beach.

Humidity in St Lucia in December

The maximum dew point (an indicator of humidity) in St Lucia in December is 24°C (74°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 25°C (77°F) in the previous month and 23°C (23°F) in the next month.

The average maximum relative humidity in St Lucia in December is typically 87.2%. The maximum relative humidity is 89.6% in the previous month and 85.5% in the next month.

The average relative humidity in St Lucia in December is typically 75.6%. The average relative humidity is 78.2% in the previous month and 74.5% in the next month.

Wind Speed in St Lucia in December

The average maximum wind speed in St Lucia in December is typically 30KM/H (19MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 32KM/H (20MPH) in the next month.

The average wind speed in St Lucia in December is typically 20KM/H (12MPH). The average wind speed is 17KM/H (11MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind direction in St Lucia in December is from the East.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.