March weather forecast
Saint Lucia

In Saint Lucia, March signifies the end of the dry season and the beginning of the transition to the wetter part of the year. Temperatures during this month are consistently tropical, ranging from a comfortable 23°C (73.4°F) at night to a balmy 30°C (86°F) during the day. This makes March one of the warmer months of the year.

Despite the impending shift towards the rainy season, March typically experiences relatively low rainfall, averaging 60mm (2.36") over the month. This makes it one of the driest months of the year in Saint Lucia. These weather conditions combine to offer plenty of sunny days, ideal for outdoor activities and beach visits.

The geographical layout of Saint Lucia contributes to uniform weather across its cities. Castries, Soufrière, and Rodney Bay, among others, enjoy similar temperatures and rainfall patterns. The coastal regions, while sharing the same temperature range, can offer a more refreshing atmosphere, particularly during the evenings, thanks to the cool sea breezes.

As March progresses into April, the weather remains generally warm, but rainfall starts to increase gradually. The rising humidity levels also signal the nearing rainy season. Despite these changes, the overall climate remains inviting for visitors, offering the beauty of the Caribbean under predominantly sunny skies.

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• Gros Islet - March »
  The month with the coldest seawater in Gros Islet is March, with an average sea temperature of 27°C (80.6°F). March is the month with the coldest seawater in Gros Islet, Saint Lucia, with an average sea temperature of 27°C (80.6°F).
• Vieux Fort - March »
  February and March, with an average sea temperature of 27.2°C (81°F), are months with the coldest seawater in Vieux Fort. February and March, with an average sea temperature of 27.2°C (81°F), are months with the coldest seawater in Vieux Fort.
• Dennery - March »
  In Dennery, Saint Lucia, in March, the average water temperature is 27.2°C (81°F). The months with the coldest seawater in Dennery are February and March, with an average sea temperature of 27.2°C (81°F).
• Micoud - March »
  February and March, with an average sea temperature of 27.2°C (81°F), are months with the coldest seawater in Micoud. In Micoud in March, during 16.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated.
• Marigot Bay - March »
  The month of March in Marigot Bay provides an excellent opportunity to witness Saint Lucia's vibrant local life under the extended daylight. In Marigot Bay, Saint Lucia, in March, it is raining for 18.8 days, with typically 21mm (0.83") of accumulated precipitation.
• Anse La Raye - March »
  The months with the lowest humidity in Anse La Raye, Saint Lucia, are January through March and September, with an average relative humidity of 73%. January through March and September, with an average relative humidity of 73%, are the least humid months in Anse La Raye.
• Canaries - March »
  March is the month with the coldest seawater in Canaries with an average sea temperature of 27.1°C (80.8°F). In Canaries in March, the average water temperature is 27.1°C (80.8°F).
• Praslin - March »
  As March rolls in, the weather in Praslin, Saint Lucia leans more towards heightened warmth and declining rainfall levels. On the first day of March in Praslin, sunrise is at 06:19 and sunset at 18:12.
• Cap Estate - March »
  January through March and September, with an average relative humidity of 73%, are the least humid months in Cap Estate, Saint Lucia. In Cap Estate in March, the average water temperature is 26°C (78.8°F).
• Babonneau - March »
  On the last day of March, in Babonneau sunrise is at 05:59 and sunset at 18:15 AST. January through March and September, with an average relative humidity of 73%, are the least humid months in Babonneau.