January weather forecast
Saint Lucia

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Flag of Saint Lucia

Weather in January

January falls in the dry season of Saint Lucia's tropical climate, making it one of the most desirable months for tourists. Temperatures during this month range from a mild 23°C (73.4°F) at night to a warm 29°C (84.2°F) in the day. The weather is usually consistent across the island, with minimal regional variances.

Being located in the tropics, Saint Lucia does not experience snowfall at any time of the year. As such, January, like all other months, is free of snow. However, January is known for its moderately low rainfall compared to other months. The island averages around 90mm (3.54") of rain in January, significantly lower than the peak rainy months such as September and October. This lower precipitation enhances outdoor activities and sightseeing experiences.

The major cities, including the capital Castries, Soufrière, and Rodney Bay, all enjoy similar weather conditions, with only slight variations. Coastal regions generally experience more refreshing winds due to their proximity to the sea, which can provide relief from the heat during the day.

January is slightly cooler and drier than the following month, February. The temperature difference is marginal, and both months exhibit generally dry and pleasant weather. However, as the island progresses towards February, it experiences a slight rise in both temperatures and humidity levels, preparing for the gradual transition to the wetter months.

  • Gros Islet - January »
    In Gros Islet, during January, the rain falls for 17 days and regularly aggregates up to 113mm (4.45") of precipitation. In Gros Islet in January, the average water temperature is 27.3°C (81.1°F).
  • Vieux Fort - January »
    The months with the highest UV index in Vieux Fort are January through December, with an average maximum UV index of 7. In Vieux Fort in January, during 18.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated.
  • Dennery - January »
    On the first day of January in Dennery sunrise is at 06:27 and sunset at 17:46. When are sunrise and sunset in January in Dennery?
  • Micoud - January »
    January through December, with an average maximum UV index of 7, are months with the lowest UV index in Micoud, Saint Lucia. The months with the lowest humidity in Micoud are January and February, with an average relative humidity of 74%.
  • Marigot Bay - January »
    January through April, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Marigot Bay, Saint Lucia. The months with the lowest humidity in Marigot Bay are January through March and September, with an average relative humidity of 73%.
  • Anse La Raye - January »
    The months with the coldest seawater in Anse La Raye are January through April, with an average sea temperature of 27°C (80.6°F). The months with the lowest humidity in Anse La Raye are January through March and September, with an average relative humidity of 73%.
  • Canaries - January »
    The months with the lowest humidity in Canaries are January through March and September, with an average relative humidity of 73%. In Canaries, during January, the rain falls for 19.2 days and regularly aggregates up to 26mm (1.02") of precipitation.
  • Praslin - January »
    The months with the lowest UV index in Praslin are January through December, with an average maximum UV index of 7. On the first day of January in Praslin sunrise is at 06:27 and sunset at 17:46.
  • Cap Estate - January »
    The months with the lowest humidity in Cap Estate are January through March and September, with an average relative humidity of 73%. The months with the lowest humidity in Cap Estate are January through March and September, with an average relative humidity of 73%.
  • Babonneau - January »
    January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Babonneau, Saint Lucia. In Babonneau, Saint Lucia, the average relative humidity in January is 73%.
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