Home › Weather › Weather Saint Lucia
Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Insightly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Saint Lucia’s tropical climate delivers warm, humid conditions year-round, with the live forecast above showing today’s key details for Castries and the coast. The island’s dry season runs from December to May, offering the most reliable sunshine for travellers.
What is the typical weather pattern in Saint Lucia?
Saint Lucia sits in the eastern Caribbean, where trade winds moderate the heat. Daytime highs hover around 30°C from June to November (the wet season), while the dry season sees slightly cooler averages near 28°C. Rainfall is heavier on the mountainous interior, with the west coast often drier than the Atlantic-facing east. The bom st lucia data aligns with regional models, but local forecasts are best sourced from the island’s meteorological service.
How far ahead can you forecast Saint Lucia’s weather?
For trip planning, the weather in saint lucia 10 days outlook is reliable for general trends, while the st lucia weather 21 day forecast gives a broader seasonal hint. The 28 day weather forecast st lucia is useful for spotting wet-season pulses, but accuracy drops beyond two weeks. Many travellers also check bbc weather st lucia caribbean for a familiar reference point, though local updates are more precise for coastal conditions.
Does Saint Lucia have a hurricane season?
Yes, the official Atlantic hurricane season runs from June to November. Saint Lucia is less frequently hit than northern islands, but tropical storms and heavy rain are possible, especially in August and September.
What should I pack for Saint Lucia weather?
Light, breathable clothing, a rain jacket or umbrella, reef-safe sunscreen, and a hat. Evenings can be cooler near the coast, so a light layer is handy. Water shoes are useful for rocky beaches.
Is the water warm enough to swim year-round?
Absolutely. Sea temperatures range from 26°C in February to 29°C in September. Snorkelling and swimming are comfortable any month, though calmest conditions are often in the dry season.
For broader Australian conditions, visit our Australia weather hub or check Brisbane Weather for comparisons. If you’re tracking severe systems, see our Severe Weather Warning page.