Saint LuciaThe climate of Castries
The current climate in Castries 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 Castries, Saint Lucia.
Temperature records
The highest temperature recorded in Castries in recent years was 37°C in August 2020. The lowest daytime temperature recorded was 25°C in January 2019.
Rainfall amount
On average, Castries receives 2126 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in Castries runs from June to November.
Best time to visit Castries?
The best time to visit Castries for sunny weather is January through May. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Castries. 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.
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Climate Table of Castries
The climate table of Castries 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 | |
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| 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 Castries, 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 Castries
Yearly Temperature in Castries
Precipitation charts
These charts show the average amount of precipitation in Castries, 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 Castries
Total Yearly Precipitation in Castries
UV index chart
This chart shows the average UV index per month in Castries, 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 Castries
Weather experiences in Castries
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Average weather in Castries by month
Click on a month below to see detailed weather info for Castries. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.