Climate and Weather of Castries, Saint Lucia

In Saint Lucia you have several regions, one of which is called Castries. The most popular city in this region is Castries, whose climate data we'll examine to provide you with an overview of what weather to expect in Castries. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

Year-round, Castries, especially Castries, sees high temperatures, with maximum averages consistently above 29°C.

The warmest weather in Castries arrives in September, when temperatures climb to 31°C. In contrast, February sees the mercury drop to daytime highs of 29°C.

The peak of the heat usually falls in July, August and September.

When it comes to rainfall, Castries sees significant variations throughout the year. October tends to be the wettest, receiving 132 mm of rain, while February is much drier with just 36 mm.

May is the sunniest period, with ideal conditions for exploring the region and all it has to offer.

Select a Month of Interest

Check the conditions for any month of the year.

Interested in the detailed Weather and Climate of Castries, Saint Lucia?

Please select a city below the map you wish to travel to, or the one closest to your destination. Each selected city will show you the following graphs:
1. Average minimum and maximum temperature over the year
2. Average monthly precipitation over the year (rainfall, snow)
3. Average monthly hours of sunshine over the year
On certain pages we also offer other historical climate data like humidity wind speed and water temperature.