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The weather in May in Saint Lucia

It's hot in May in Saint Lucia with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 31°C. At night, you can expect temperatures between 26°C and 26°C.

May is a good month to be in Saint Lucia for sunny weather. You’ll have high temperatures and not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Saint Lucia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2015, Saint Lucia reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 27°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 28°C.

Rainfall amount

In May, there is an average of 80 mm of precipitation, spread over 11 days. The wind speed is around 5 Bft, mostly coming from the East.

Daily weather in May for Saint Lucia

Click on any day in May 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.

May weather comparison

  Saint Lucia New York
Average temperature 31°C 22°C
Max. temperature 31°C 28°C
Min. temperature 26°C -5°C
Total precipitation 80 mm 105 mm
Rainy days 11 days 14 days

Start of May

The month of May starts in Saint Lucia with hot temps, averaging around 31°C during the day and nights around 26°C.

Mid May

By mid-May, daytime temps stay steady at around 31°C, with nights around 26°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of May

By the end of May, the average daytime temperature in Saint Lucia is around 31°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable vacations to Saint Lucia

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Saint Lucia runs from June to November.

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.

Temperature charts

These charts show the average temperatures in May in Saint Lucia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Saint Lucia

Temperature in May in Saint Lucia over the years

Precipitation charts

These charts show the average amount of precipitation in May 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.

Daily Precipitation in May in Saint Lucia

Total precipitation in May in Saint Lucia over the years

Daily UV index in May in Saint Lucia

This chart shows the average daily UV index in May 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.

Weather experiences in May in Saint Lucia

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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.