St Lucia weather in December 2024

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Lucia in December. Check more long-term weather averages for St Lucia in December before you book your next holiday to South Africa in 2024/2025.

  • 28°C maximum daytime temperature in December in St Lucia28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in December in St Lucia10
    10 days with some rainfall
  • 20°C minimum night-time temperature in December in St Lucia20
    20°C min night temperature
  • 14 hours of daylight per day in December in St Lucia14
    14 hours of daylight per day
  • Moderate heat & humidity in December in St LuciaM
    Moderate heat & humidity
  • 91 mm monthly rainfall in December in St Lucia91
    91 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in St Lucia11
    11+ (Extreme) UV index
  • 25°C sea temperature in December in St Lucia25
    25°C sea temperature

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The December weather guide for South Africa (St Lucia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

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More about South Africa

How hot is it in St Lucia in December?

Daytime temperatures usually reach 28°C in St Lucia in December with moderate heat and humidity, falling to 20°C at night.

How sunny is it in St Lucia in December?

There are normally 8 hours of bright sunshine each day in St Lucia in December - that's 55% of daylight hours.

How warm is the sea around St Lucia in December?

The average sea temperature around St Lucia in December is 25°C.

Does it rain in St Lucia in December?

There are usually 10 days with some rain in St Lucia in December and the average monthly rainfall is 91mm.

St Lucia December sunrise & sunset times

Browse the sunrise and sunset times for St Lucia in December 2024. Select a month to view St Lucia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 04:45 18:34
Monday, 16th December 2024 04:48 18:44
Tuesday, 31st December 2024 04:56 18:51

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