Marigot Bay
Saint Lucia
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Marigot Bay, Saint Lucia

The last month of the summer, August, is another tropical month in Marigot Bay, Saint Lucia, with average temperature varying between 30°C (86°F) and 24°C (75.2°F).

Temperature

May through October, with an average high-temperature of 30°C (86°F), are the warmest months.

Rainfall

In Marigot Bay, during August, the rain falls for 20 days and regularly aggregates up to 263mm (10.4") of precipitation. Throughout the year, there are 208 rainfall days, and 2377mm (93.6") of precipitation is accumulated.

Sea temperature

In Marigot Bay, in August, the average water temperature is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In August, the average length of the day is 12.6h.

Sunshine

Months with the most sunshine are January through September, November and December, with an average of 8h of sunshine.

UV index

Months with the highest UV index in Marigot Bay are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme threat to health from the exposure to the Sun's UV radiation for the ordinary person.
The average daily UV index of 12 in August transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What are the warmest months in Marigot Bay?

May through October, with an average high-temperature of 30°C (86°F), are warmest months in Marigot Bay.

What is the temperature in August in Marigot Bay?

The average high-temperature, in August, in Marigot Bay, Saint Lucia, is 30°C (86°F), while the average low-temperature is 24°C (75.2°F).

How many days does it rain in August in Marigot Bay?

In August, in Marigot Bay, Saint Lucia, the rain falls for 20 days. Throughout August, 263mm (10.4") of precipitation is accumulated.

What is the sea water temperature in August in Marigot Bay?

In August, the average sea temperature in Marigot Bay, Saint Lucia, is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in August in Marigot Bay?

In Marigot Bay, the average length of the day in August is 12.6h.

What are the months with the most sunshine in Marigot Bay?

January through September, November and December, with an average of 8h of sunshine, are months with the most sunshine in Marigot Bay.

How many hours of sunshine does Marigot Bay have in August?

In Marigot Bay, Saint Lucia, the average sunshine in August is 8h.

When is the highest UV index in Marigot Bay?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Marigot Bay, Saint Lucia.

What is the UV index intensity in August in Marigot Bay?

In Marigot Bay, Saint Lucia, the average daily maximum UV index in August is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in August - Marigot Bay, Saint Lucia
  • Average high temperature in August: 30°C

Warmest months (with the highest average high temperature) are May, June, July, August, September and October (30°C).
Months with the lowest average high temperature are January, February, March and December (28°C).

  • Average low temperature in August: 24°C

Months with the highest average low temperature are May, June, July, August and September (24°C).
Coldest months (with the lowest average low temperature) are January, February, March and December (22°C).

Average rainfall in August - Marigot Bay, Saint Lucia
  • Average rainfall in August: 263mm

The wettest month (with the highest rainfall) is October (303mm).
The driest month (with the lowest rainfall) is March (99mm).

Average rainfall days in August - Marigot Bay, Saint Lucia
  • Average rainfall days in August: 20 days

The month with the highest number of rainy days is September (24 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in August - Marigot Bay, Saint Lucia
  • Average sea temperature in August: 28°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March and April (27°C).

Average daylight in August / Average sunshine in August - Marigot Bay, Saint Lucia
  • Average daylight in August: 12.6h

Months with the longest days are June and July (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in August: 8h

Months with most sunshine are January, February, March, April, May, June, July, August, September, November and December (Average sunshine: 8h).
The month with least sunshine is October (Average sunshine: 7h).

Average UV index in August - Marigot Bay, Saint Lucia
  • Average UV index in August: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January, November and December (UV index 9).