St Lucia weather
Loading live data…The weather map: all three models at once
European, American, German side by side around St Lucia and nearby towns.Live rain radar →Hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
10-day forecast, out to 14 days
where the models agree, and where they splitHeading to St Lucia? St Lucia, Saint Lucia, sits at 14.0°N in a tropical climate zone. The averages on this page are measured at Castries, the main gateway for UK travellers; inland and mountain areas run cooler. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast St Lucia right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a beach trip the rain and wind columns below matter most - that is what makes or breaks a day by the sea.
Best time to visit St Lucia
The most comfortable time to visit St Lucia is usually January, February, March and April, when daytime highs sit in the pleasant 24-33°C range and the heaviest July rain is behind you.
St Lucia weather by month
what to expect in St Lucia through the yearHere is St Lucia's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to St Lucia by season.