Annual average weather for St Lucia

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Annual Average Weather for St Lucia

The annual average maximum daily temperature is 29.9°C (85.9°F) which is very warm and perfect for sunbathing on clear days. The annual average water temperature is typically 27.8°C (82.1°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 16.4 days of rain per month and 7.4 hours of sun per day.

When is the best time to visit St Lucia?

The best months to visit St Lucia are January, February, March, April, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The sea is best for swimming between May and November when the sea temperature is above the average 28°C (82°F) which is very warm and ideal for relaxing and swimming for the whole day.

Can you sunbathe in St Lucia year round?

Yes, you can sunbathe in St Lucia all year round.

The coolest month in St Lucia is February when the average maximum temperature is 29°C (83°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (76°F).

More info about the annual temperatures and sunshine.

Can you swim in St Lucia year round?

Yes, you can swim in St Lucia all year round.

The warmest sea water temperatures in St Lucia are found in September when they peak at 29°C (84°F) and lowest in March when they dip to 27°C (80°F).

The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures

When is the hottest month in St Lucia?

The hottest month in St Lucia is September when the average maximum temperature is very hot and perfect for sunbathing on clear days 31°C (88°F), average temperature is 28°C (83°F) and average minimum temperature is 26°C (79°F).

More info about the annual temperatures and sunshine.

When is the coldest month in St Lucia?

The coolest month in St Lucia is February when the average maximum temperature is 29°C (83°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (76°F).

More info about the annual temperatures and sunshine

When is the sunniest month in St Lucia?

The sunniest days in St Lucia are in April which has the most hours of sunshine per day. In April the sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright.

More info about the annual sunshine.

When is the least sunny month in St Lucia?

October has the least sunshine. In October the sunshine percentage is 53% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.7 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in St Lucia?

The driest month in St Lucia is March with 7.4cm (2.9inches) of rain and the least days of rain with 11.2 days with some rain, a pretty wet time to visit the beach.

More info about the annual rainfall

When is the wettest month in St Lucia?

The wettest month in St Lucia is October with 27.8cm (10.9inches) of rain and July has the most days of rain with 19.1 days with some rain, a wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in St Lucia?

The coldest sea water temperatures in St Lucia are found in March when they dip to 27°C (80°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the sea the warmest in St Lucia?

The warmest sea water temperatures in St Lucia are found in September when they peak at 29°C (84°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in St Lucia?

The most humid month in St Lucia is August with a dew point (an indicator of humidity) of 25°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in St Lucia?

The least humid month in St Lucia is February with a dew point of 22°C (72°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.

More info about the annual humidity.

When is the windiest month in St Lucia?

The most windy month in St Lucia is June when the average maximum windspeed is 32KM/H (20MPH) and the average wind speed is 23KM/H (14MPH).

More info about the annual wind conditions.

Annual Temperature for St Lucia

The hottest month in St Lucia is September when the average maximum temperature is 31°C (88°F), average temperature is 28°C (83°F) and average minimum temperature is 26°C (79°F).

The coolest month in St Lucia is February when the average maximum temperature is 29°C (29°F), average temperature is 27°C (80°F) and average minimum temperature is 24°C (76°F).

Annual Sunshine for St Lucia

The longest days in St Lucia are in June, with an average of 12.9 hours of daylight per day. December has the shortest days with an average of 11.3 hours of daylight per day.

The sunniest days in St Lucia are in April which has the most hours of sunshine per day. The sunshine percentage is 68% making it sunny but overcast at times. The hours of sunshine per day are 8.3hrs making the days long and bright.

October has the least sunshine. The sunshine percentage is 53% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.7 hours of sunshine per day.

The ultraviolet index is the highest in April when it reaches 14.2 and lowest in December when it reaches 9.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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.

Annual Sea Temperature for St Lucia

The warmest sea water temperatures in St Lucia are found in September when they peak at 29°C (84°F) and lowest in March when they dip to 27°C (80°F).

The sea is excellent for swimming all year round as the water temperature is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for St Lucia

The wettest month in St Lucia is October with 27.8cm (10.9inches) of rain and July has the most days of rain with 19.1 days with some rain, a wet time to visit the beach.

The driest month in St Lucia is March with 7.4cm (2.9inches) of rain and the least days of rain with 11.2 days with some rain, a pretty wet time to visit the beach.

Annual Humidity for St Lucia

The most humid month in St Lucia is August with a dew point (an indicator of humidity) of 25°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in St Lucia is February with a dew point of 22°C (72°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.

Annual Wind Speed for St Lucia

The most windy month in St Lucia is June when the average maximum windspeed is 32KM/H (20MPH) and the average wind speed is 23KM/H (14MPH).

The least windy month in St Lucia is September when the average maximum windspeed is 25KM/H (16MPH) and the average wind speed is 14KM/H (9MPH).

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