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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Headlines UK weather desk. Data from national met services via Open-Meteo.
St Lucia weather stays warm all year, with highs around 30 °C and cooling trade winds. The live forecast above shows current conditions. The dry season (December–May) brings more sunshine, while the wet season (June–November) sees brief, heavy showers, especially in the afternoon.
When is the best time to visit St Lucia?
The dry season from December to May offers the most reliable sunshine and lower humidity. This period is popular for beach holidays and outdoor activities. St Lucia weather by month shows that January to April are the driest months, with average rainfall below 80 mm. From June onwards, the chance of rain increases. St Lucia weather October is typically the wettest month, and St Lucia weather November still sees frequent showers, though they often pass quickly. For a longer view, check st lucia weather 14 days or st lucia weather 21 day forecast online. The capital, Castries, follows the same pattern – st lucia weather castries is warm year round, with slightly more rain on the windward side of the island.
What about hurricane season and sea temperatures?
The Atlantic hurricane season runs from June to November, with the highest risk between August and October. Storms are not guaranteed, but it’s wise to monitor forecasts if travelling then. Sea temperatures remain pleasant – around 27–29 °C – making swimming and snorkelling possible any time of year. For a detailed outlook, see the live forecast above or use a reliable source like the Met Office for weather in saint lucia 10 days ahead.
What is the weather like in St Lucia in November?
November is still in the wet season, with frequent but short downpours. Average highs are around 30 °C, and humidity is high. The risk of tropical storms remains, though it decreases towards the end of the month.
Does St Lucia have a hurricane season?
Yes, from June to November. The official Atlantic hurricane season runs these months, with August to October being the most active. Always check the live forecast and official warnings if travelling during this period.
How warm is the sea in St Lucia?
Sea temperatures range from 26 °C in winter to 29 °C in summer. This makes swimming, diving and snorkelling comfortable throughout the year, though water clarity can reduce after heavy rain.
Sources
For UK forecasts, visit our UK weather hub or check the 10‑day forecast page.