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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Civic Maple Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
St Lucia weather is consistently warm and tropical, with daytime highs around 30°C most of the year. The live forecast above shows conditions for today and the coming days, reflecting the island’s typical mix of sun and brief showers.
What is the best time to visit St Lucia?
The driest months are January through April, making this the most popular time for visitors. May to November brings more rain and higher humidity, but also lower rates and fewer crowds. Hurricane season officially runs from June to November, though direct hits are uncommon.
How does weather vary across the island?
Coastal areas, including Castries, are warm and breezy year-round while the interior highlands can be cooler and wetter. For a broad overview, many travellers check the st lucia weather by month before booking. If you want a longer outlook, st lucia weather 21 day forecast gives a general trend, though tropical conditions can shift quickly.
Is St Lucia very humid?
Yes, humidity is high year-round, typically 70–90%. The trade winds help keep it bearable, especially near the coast. Check the st lucia weather network for real-time humidity levels.
Does St Lucia have a rainy season?
The rainy season runs June to November, with frequent but brief afternoon downpours. For a quick snapshot, look at the weather in saint lucia 10 days forecast to plan outdoor activities.
What about St Lucia weather in Fahrenheit?
Average highs are about 84–90°F, but we list temperatures in degrees Celsius. If you need Fahrenheit, the st lucia weather radar and live feeds often provide a toggle option.
Sources
For more Canadian weather, visit our Canada weather hub or check the 10-day forecast.