Castries weather in December 2024

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Castries in December. Check more long-term weather averages for Castries in December before you book your next holiday to St Lucia in 2024/2025.

  • 29°C maximum daytime temperature in December in Castries29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in December in Castries18
    18 days with some rainfall
  • 23°C minimum night-time temperature in December in Castries23
    23°C min night temperature
  • 11 hours of daylight per day in December in Castries11
    11 hours of daylight per day
  • Moderate heat & humidity in December in CastriesM
    Moderate heat & humidity
  • 149 mm monthly rainfall in December in Castries149
    149 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Castries8
    8 (Very High) UV index
  • 28°C sea temperature in December in Castries28
    28°C sea temperature

More about Castries

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The December weather guide for St Lucia (Castries) 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 St Lucia

How hot is it in Castries in December?

Daytime temperatures usually reach 29°C in Castries in December with moderate heat and humidity, falling to 23°C at night.

How sunny is it in Castries in December?

There are normally 8 hours of bright sunshine each day in Castries in December - that's 68% of daylight hours.

How warm is the sea around Castries in December?

The average sea temperature around Castries in December is 28°C.

Does it rain in Castries in December?

There are usually 18 days with some rain in Castries in December and the average monthly rainfall is 149mm.

Castries December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 06:12 17:34
Monday, 16th December 2024 06:21 17:39
Tuesday, 31st December 2024 06:28 17:47

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