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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Regional Report weather desk. Data from national met services via Open-Meteo.
St Lucia enjoys a tropical climate with warm temperatures year-round, though the best time to visit for dry, calm weather is from December to April. The live forecast above shows current conditions; for planning a trip, reading the seasonal breakdown below is key.
What is the weather like in St Lucia by month?
Temperatures in St Lucia stay consistently between 24°C and 31°C throughout the year, with humidity levels rising during the wet season. The dry season typically runs from December to May, offering more sunshine and lower rainfall, ideal for beach holidays and exploring Castries. The wet season, from June to November, brings higher humidity and a greater chance of tropical showers, particularly in the afternoons.
- st lucia weather november and st lucia weather october fall in the wet season; expect frequent but short-lived downpours, especially in the north near Castries.
- st lucia weather by month shows the driest months are February and March, with average rainfall below 60mm.
- st lucia weather castries is often slightly warmer and more humid than the coastal resorts, but the variation is small.
- For trip planning, check a st lucia weather 14 days or weather in saint lucia 10 days forecast closer to departure.
Does St Lucia have a hurricane season?
Yes, the official Atlantic hurricane season runs from 1 June to 30 November, with the highest risk for St Lucia typically in August and September. Direct hurricane strikes on the island are rare, but the season brings an increased chance of tropical storms and heavy rain. A st lucia weather 21 day forecast can’t reliably predict storms that far out, so monitor the live forecast above and official warnings if travelling during this period. The climate remains warm year-round, as shown by st lucia weather year round data, but the wet season is noticeably more humid.
Is St Lucia hot all year round?
Yes, St Lucia is warm all year, with daytime highs between 28°C and 31°C. Even in the cooler months of January and February, temperatures rarely drop below 24°C at night. The main difference is rainfall, not temperature.
When is the best time to visit St Lucia for weather?
The dry season from December to April offers the most reliable sunshine and lowest humidity. This is also the peak tourist season. For lower prices and fewer crowds, May and June are still pleasant but may see some rain.
Does it rain a lot in St Lucia?
Rainfall varies by season. The wet season from June to November sees frequent, often heavy but short-lived showers. The dry season is much drier, especially in the southern and western coastal areas. Even in wet months, sunny spells are common.
For more UK-focused forecasts, see the weather hub or check the 10 day weather forecast UK.