St Lucia weather in January

Check the Weather in St Lucia in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall. The St Lucia january weather guide shown below is for Castries.

  • 28°C maximum daytime temperature in January in St Lucia (Castries)28
    28°C max day temperature
  • 8 hours of sunshine per day (72% of daylight hours) in January in St Lucia8
    8 hours of sunshine per day
  • 17 days with some rainfall in January in St Lucia (Castries)17
    17 days with some rainfall
  • 22°C minimum night-time temperature in January in St Lucia (Castries)22
    22°C min night temperature
  • 11 hours of daylight per day in January in St Lucia (Castries)11
    11 hours of daylight per day
  • Moderate heat & humidity in January in St Lucia (Castries)M
    Moderate heat & humidity
  • 137 mm monthly rainfall in January in St Lucia (Castries)137
    137 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in January in St Lucia (Castries)9
    9 (Very High) UV index
  • 27°C sea temperature in January in St Lucia (Castries)27
    27°C sea temperature

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Metric (°C / mm)  |  Imperial (°F / inches)

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