The climate of Saint Lucia
The current climate in Saint Lucia features temperatures ranging from a high of 32°C to a low of 29°C throughout the year. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 24°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Saint Lucia.
Temperature records
The highest temperature recorded in Saint Lucia in recent years was 37°C in August 2020. The lowest daytime temperature recorded was 25°C in January 2019.
Rainfall amount
On average, Saint Lucia receives 2126 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in Saint Lucia runs from June to November.
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.
Best time to visit Saint Lucia?
The best time to go for a sun holiday to Saint Lucia is January through May. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Saint Lucia. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Find affordable sun vacations to Saint Lucia
Climate Table of Saint Lucia
The climate table of Saint Lucia shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 30 |
| Temp. min (°C) | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 25 |
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| Precipitation (mm) | 119 | 88 | 94 | 113 | 80 | 237 | 212 | 210 | 230 | 270 | 311 | 162 |
| UV Index | 8 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 8 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in Saint Lucia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Saint Lucia
Yearly Temperature in Saint Lucia
Precipitation charts
These charts show the average amount of precipitation in Saint Lucia. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Saint Lucia
Total Yearly Precipitation in Saint Lucia
UV index chart
This chart shows the average UV index per month in Saint Lucia. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Saint Lucia
Weather experiences in Saint Lucia
The weather in Saint Lucia is rated 4 out of 5 stars by 1 visitor.
Aimee Seinen
Saint Lucia in November offered moderate temperatures and sunny days, a perfect refuge from winter. There were a few rain showers, but overall a delightful experience.
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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.