Average weather for Saint Lucia in December
It's hot in December in Saint Lucia with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 24°C and 26°C.
Start of December
The month of December starts in Saint Lucia with hot temps, averaging around 30°C during the day and nights around 25°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid December
By mid-December, daytime temps stay steady at around 30°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of December
By the end of December, the average daytime temperature in Saint Lucia is around 30°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In December, there is an average of 162 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the East.
Saint Lucia in December |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 9°C | |
 Max. temperature |
30°C | 12°C | |
| Min. temperature |
29°C | -5°C | |
 Total precipitation |
162 mm | 133 mm | |
| Rainy days |
18 days | 17 days | |
November
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Saint Lucia?
Looking for sun? December isn’t a good month to be in Saint Lucia. The temperature is nice, but there’s too much chance of rain.
The hurricane season in Saint Lucia runs from June to November.
Temperature records
With 35°C in 2021, Saint Lucia reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 25°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 27°C.
Check out the climate of Saint Lucia for all months and discover the best travel time
The climate in Saint Lucia is based on weather data from Castries. Other spots might have different weather. You can check out all destinations in Saint Lucia to get the full picture of the climate.
Daily Temperature in December in Saint Lucia
This chart shows the average daily high and low temperatures in December for Saint Lucia, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Saint Lucia
The chart below shows the average daily precipitation in December for Saint Lucia, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 18 days of precipitation in Saint Lucia.
Daily UV index in December in Saint Lucia
This chart shows the average daily UV index in December in Saint Lucia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Saint Lucia over the years
This chart shows the average temperature in December in Saint Lucia, measured in degrees Celsius, over the past few years.
Total precipitation in December in Saint Lucia over the years
This chart shows the average precipitation in December in Saint Lucia, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Saint Lucia
Click on any day in December to get detailed info about the usual weather on that day in Saint Lucia. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Saint Lucia
Have you been to Saint Lucia in December?
Share your weather experience in December in Saint Lucia.
Average weather in Saint Lucia by month
Click on a month below to see detailed weather info for Saint Lucia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Saint Lucia for all months at once
