Grand Anse Beach
Saint Lucia
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Grand Anse Beach, Saint Lucia

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

Temperature

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

Rainfall

In Grand Anse Beach, it is raining for 20 days, with typically 216mm (8.5") of accumulated precipitation. In Grand Anse Beach, during the entire year, the rain falls for 209 days and collects up to 2035mm (80.1") of precipitation.

Sea temperature

In Grand Anse Beach, the average seawater temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In August, the average length of the day in Grand Anse Beach is 12.6h.

Sunshine

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

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 12 transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the warmest month in Grand Anse Beach?

Warmest months in Grand Anse Beach, Saint Lucia, are May through October, with an average high-temperature of 30°C (86°F).

What is the temperature in August in Grand Anse Beach?

In Grand Anse Beach, Saint Lucia, in August, the average high-temperature is 30°C (86°F), and the average low-temperature is 24°C (75.2°F).

How many days does it rain in August in Grand Anse Beach?

In August, in Grand Anse Beach, the rain falls for 20 days. Throughout August, 216mm (8.5") of precipitation is accumulated.

What is the water temperature in August in Grand Anse Beach?

In August, the average sea temperature in Grand Anse Beach, Saint Lucia, is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in August in Grand Anse Beach?

The average length of the day in August in Grand Anse Beach is 12.6h.

What is the month with the most sunshine in Grand Anse Beach?

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

How many hours of sunshine does Grand Anse Beach have in August?

The average sunshine in August in Grand Anse Beach is 8h.

When is the highest UV index in Grand Anse Beach?

Months with the highest UV index are March through September, with an average maximum UV index of 12.

How high is the UV index in August in Grand Anse Beach?

In August, the average daily maximum UV index in Grand Anse Beach, Saint Lucia, is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV rays.
Average temperature in August - Grand Anse Beach, 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 and February (28°C).

  • Average low temperature in August: 24°C

The month with the highest average low temperature is July (25°C).
Coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall in August - Grand Anse Beach, Saint Lucia
  • Average rainfall in August: 216mm

The wettest month (with the highest rainfall) is October (269mm).
The driest month (with the lowest rainfall) is March (76mm).

Average rainfall days in August - Grand Anse Beach, Saint Lucia
  • Average rainfall days in August: 20 days

The month with the highest number of rainy days is September (25 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in August - Grand Anse Beach, 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 February and March (26°C).

Average daylight in August / Average sunshine in August - Grand Anse Beach, 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 - Grand Anse Beach, 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).
The month with the lowest UV index is December (UV index 8).