August weather forecast
Saint Lucia

August in Saint Lucia marks the peak of the rainy season, with some of the highest rainfall levels experienced throughout the year. The tropical warmth, however, remains consistent with average temperatures hovering between 25°C (77°F) and 32°C (89.6°F), the latter making August one of the hottest months on the island.

Rainfall in August reaches an average of 230mm (9.06"), which is one of the highest for the year. The showers are typically intense but brief, often taking place in the afternoon or evening. Nevertheless, the month is not devoid of sunshine, with numerous sunny hours illuminating the island and keeping its tropical allure intact.

The climatic conditions in major cities such as Castries, Soufrière, and Rodney Bay remain fairly uniform, adhering to the island's overall weather pattern. Coastal areas continue to offer a slightly cooler respite due to sea breezes, especially during the evenings.

Moving from August into September, the climatic conditions retain their tropical characteristics. The temperatures persist in their range, and the rainfall remains high. However, the rhythm of warm, sunny periods interspersed with refreshing showers continues to define the vibrant weather of Saint Lucia.

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• Gros Islet - August »
  In Gros Islet in August, during 20 rainfall days, 216mm (8.5") of precipitation is typically accumulated. On the first day of August in Gros Islet sunrise is at 05:47 and sunset at 18:32.
• Vieux Fort - August »
  The month with the most sunshine in Vieux Fort is August, with an average of 10.4h of sunshine. August has the most sunshine of the year in Vieux Fort with an average of 10.4h of sunshine.
• Dennery - August »
  On the last day of August, in Dennery sunrise is at 05:51 and sunset at 18:15 AST. In Dennery the average seawater temperature in August is 29°C (84.2°F).
• Micoud - August »
  In Micoud in August, the average water temperature is 29°C (84.2°F). In Micoud during August, the rain falls for 22.4 days and regularly aggregates up to 72mm (2.83") of precipitation.
• Marigot Bay - August »
  In Marigot Bay in August, during 25.9 rainfall days, 82mm (3.23") of precipitation is typically accumulated. In Marigot Bay in August, the average water temperature is 28°C (82.4°F).
• Anse La Raye - August »
  The month with the most rainfall in Anse La Raye is August, when the rain falls for 25.9 days and typically aggregates up to 82mm (3.23") of precipitation. In Anse La Raye in August, the average water temperature is 28°C (82.4°F).
• Canaries - August »
  The month with the most rainfall in Canaries is August, when the rain falls for 25.9 days and typically aggregates up to 82mm (3.23") of precipitation. The months with the highest humidity in Canaries, Saint Lucia, are May through August and November, with an average relative humidity of 75%.
• Praslin - August »
  August mirrors July in terms of weather patterns in Praslin, Saint Lucia, maintaining rainfall levels at 72mm (2.83") though with marginally cooler temperatures. The month with the most sunshine in Praslin, Saint Lucia, is August, with an average of 10.4h of sunshine.
• Cap Estate - August »
  May through August and November, with an average relative humidity of 75%, are most humid months in Cap Estate, Saint Lucia. The months with the highest humidity in Cap Estate are May through August and November, with an average relative humidity of 75%.
• Babonneau - August »
  On the first day of August in Babonneau sunrise is at 05:48 and sunset at 18:32. On the last day of August, in Babonneau, Saint Lucia, sunrise is at 05:52 and sunset at 18:15 AST.