Weather in St Lucia in August

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Visiting St Lucia in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise slightly into September. August has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.2 hours of sunshine per day. It is a good time for sunbathing in St Lucia.

August has total rainfall of 24.9cm (9.8inches) making it quite rainy but mostly with moderate tropical showers. There are 19.1 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 29°C (83°F). August is an excellent month for swimming in St Lucia with very comfortable temperatures for bathing all day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

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 August.

Can you sunbathe in St Lucia in August?

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

August has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.2 hours of sunshine per day. August has total rainfall of 24.9cm (9.8inches) making it quite rainy but mostly with moderate tropical showers. There are 19.1 days with some rainfall so you can still enjoy the beach on the clear days.

More about August temperature and sunshine.

Can you swim in St Lucia in August?

Yes, August is an excellent month for swimming in St Lucia with very warm sea temperatures 29°C (83°F).

More about August sea temperatures.

Is August a good time to holiday in St Lucia?

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

August has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.2 hours of sunshine per day. August has total rainfall of 24.9cm (9.8inches) making it quite rainy but mostly with moderate tropical showers. There are 19.1 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 29°C (83°F). August is an excellent month for swimming in St Lucia with very comfortable temperatures for bathing all day.

More about the August temperatures and sunshine.

Is St Lucia warm in August?

Yes, St Lucia is very hot and perfect for sunbathing on clear days in August.

The average maximum temperature in St Lucia in August is 31°C (87°F). The average maximum temperature is 31°C (87°) in the previous month and 31°C (88°F) in the next month.

The average temperature in St Lucia in August is 28°C (83°F). The average temperature is 28°C (83°F) in the previous month and 28°C (83°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is St Lucia in August?

The average day light hours per day in St Lucia in August are 12.6. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.2 hours of sunshine per day.

More about August sunshine.

Temperature in St Lucia in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise slightly into September. The average maximum temperature in St Lucia in August is 31°C (87°F). The average maximum temperature is 31°C (87°F) in the previous month and 31°C (88°F) in the next month.

The average temperature in St Lucia in August is 28°C (83°F). The average temperature is 28°C (83°F) in the previous month and 28°C (83°F) in the next month.

The average minimum temperature in St Lucia in August is 26°C (79°F). The minimum temperature is 26°C (79°F) in the previous month and 26°C (79°F) in the next month.

Sunshine in St Lucia in August

The days in August are marginally shorter than the previous month and days continue to get marginally shorter into September. August has slightly less hours of sunshine than the previous month. During August the average day light hours are 12.6 per day in St Lucia. The sunshine percentage is 57% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.2 hours of sunshine per day.

The ultraviolet index in St Lucia in August is typically 13.3 during August. 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.

Sea Temperature in St Lucia in August

The average sea water temperature in St Lucia in August is 28.5°C (83.3°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in August is marginally warmer than the previous month and temperatures continue to rise slightly into September.

Rainfall in St Lucia in August

August weather is marginally wetter than the previous month and rainfall continues to rise slightly into September. The average total rainfall in St Lucia in August is 24.9cm (9.8inches) and on average there are 19.1 rainy days in August making it a wet time to visit the beach.

Humidity in St Lucia in August

The maximum dew point (an indicator of humidity) in St Lucia in August is 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 dew point is 25°C (77°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in St Lucia in August is typically 90%. The maximum relative humidity is 87.9% in the previous month and 90.2% in the next month.

The average relative humidity in St Lucia in August is typically 78.2%. The average relative humidity is 76.9% in the previous month and 77.3% in the next month.

Wind Speed in St Lucia in August

The average maximum wind speed in St Lucia in August is typically 29KM/H (18MPH). The average maximum wind speed is 31KM/H (19MPH) in the previous month and 25KM/H (16MPH) in the next month.

The average wind speed in St Lucia in August is typically 18KM/H (11MPH). The average wind speed is 21KM/H (13MPH) in the previous month and 14KM/H (9MPH) in the next month.

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

Monthly Averages

Suggested Beaches in August

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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.