Gros Islet
Saint Lucia
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Gros Islet, Saint Lucia

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

Temperature

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

Rainfall

In Gros Islet, during August, the rain falls for 20 days and regularly aggregates up to 216mm (8.5") of precipitation. In Gros Islet, during the entire year, the rain falls for 209 days and collects up to 2035mm (80.1") of precipitation.

Sea temperature

In Gros Islet, the average water temperature is 28.9°C (84°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Gros Islet, the average length of the day is 12.6h.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in Gros Islet. A UV Index estimate of 11, and higher, represents an extreme health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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 Gros Islet?

Warmest months in Gros Islet are May through October, with an average high-temperature of 30°C (86°F).

What is the temperature in August in Gros Islet?

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

How much does it rain in Gros Islet in August?

In Gros Islet, in August, it is raining for 20 days, with typically 216mm (8.5") of accumulated precipitation.

What is the sea water temperature in August in Gros Islet?

In August, the average sea temperature in Gros Islet, Saint Lucia, is 28.9°C (84°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in August in Gros Islet?

In Gros Islet, Saint Lucia, the average length of the day in August is 12.6h.

What is the month with the most sunshine in Gros Islet?

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

How many hours of sunshine does Gros Islet have in August?

In Gros Islet, the average sunshine in August is 8h.

What is the month with the highest UV index in Gros Islet?

Months with the highest UV index in Gros Islet, Saint Lucia, are March through September, with an average maximum UV index of 12.

What is the UV index intensity in August in Gros Islet?

In August, the average daily maximum UV index in Gros Islet, Saint Lucia, is 12. A UV Index of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV rays.
Average temperature in August - Gros Islet, 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 - Gros Islet, 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 - Gros Islet, 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 - Gros Islet, Saint Lucia
  • Average sea temperature in August: 28.9°C

The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is March (27°C).

Average daylight in August / Average sunshine in August - Gros Islet, Saint Lucia
  • Average daylight in August: 12.6h

The month with the longest days is June (Average daylight: 13h).
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 - Gros Islet, 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).