Saint Lucia weather in December 2025
Saint Lucia weather in December 2025
Day
29 °C
Night
22 °C
Sea
27 °C
Precipitation
134 mm
in month
Rainy days
17 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
82 %
Day
29 °C
Night
22 °C
Sea
27 °C
Precipitation
134 mm
in month
Rainy days
17 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
82 %
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Weather overview and FAQs
Weather overview
In December in Saint Lucia, the average air temperature ranges from 29 °C (85 °F) during the day to 22 °C (72 °F) at night. There are 17 days of rain on average, where the rainfall is 134 mm (5.29 in).
Are there good conditions to visit in December in Saint Lucia?
December is a good month to visit Saint Lucia. The temperature during the day will be nice 29 °C (85 °F). The temperature of the sea will be perfect at 27 °C (81 °F). At night, temperatures hover around a pleasant 22 °C (72 °F).
What is the sea temperature in Saint Lucia in December?
The temperature of the sea in Saint Lucia in December is 27 °C (81 °F). Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.
What is the temperature in Saint Lucia during the day in December?
In Saint Lucia in December, the average daily temperatures will be 29 °C (85 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
How many days of precipitation on average can I expect in December in Saint Lucia?
There are 17 days, which are rainy in Saint Lucia in December, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.0 days of the week, or in general - 57 % days.
What is the air temperature in December in Saint Lucia at night?
The average night temperature in Saint Lucia in December is 22 °C (72 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
What is the rainfall intensity in Saint Lucia in December?
There is precipitation of 134 mm (5.29 in) in Saint Lucia in December, which means 5 mm (0.18 in) rainfall per day on average.
How many hours of sun to expect in December in Saint Lucia?
In Saint Lucia in December, you can expect around 8 hours of sunshine.
How long is the day (from dawn till dusk) in Saint Lucia in December?
The length of daylight in Saint Lucia in December is 11 hours.
Is there a dry season in December in Saint Lucia?
No, December is not a dry month in Saint Lucia, expect rain approximately 17 days in a month.
Is December part of the wet season in Saint Lucia?
No, there is no wet season in Saint Lucia in December - you can expect 17 days of rain during the month.
Is it hot in Saint Lucia in December?
In Saint Lucia in December, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is the weather in Saint Lucia warmer in December than in November?
No, in Saint Lucia in December the temperature is not higher than in November.
How windy is Saint Lucia in December?
In Saint Lucia in December, there will be an average wind scale of 5.
Is the sea in Saint Lucia warmer in December than in January?
No, the sea is not warmer in Saint Lucia in December than in January.
What is the humidity in Saint Lucia in December?
Humidity in Saint Lucia in December is 82 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.