May weather forecast
Marigot Bay, Saint Lucia

englishespañol中文
Share

Weather in May

May marks the commencement of the warm season in Marigot Bay, with noticeable changes in the weather scenario. The increased sea temperatures of 28°C (82.4°F) are appealing to enthusiasts of water sports and beach activities. A fascinating change in May is the spike in rainfall, with a marked increase of 36mm (1.42") compared to April's 28mm (1.1"), hinting at the approach of the rainy season. Despite the intermittent showers, the weather maintains a pleasant charm with a comfortable range of humidity and temperature. The tropical allure of Marigot Bay in May is a wonderful retreat for travelers seeking a blend of sun and showers.

Temperature

May's onset sees an average high-temperature of a still warm 28.8°C (83.8°F), exhibiting a slight fluctuation from the previous month. The temperature in Marigot Bay during May nights demonstrates a small drop from the daytime highs, settling to an average of 26.5°C (79.7°F).

Heat index

The heat index for May is calculated to be a tropical 33°C (91.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

The months with the highest humidity in Marigot Bay are May through August and November, with an average relative humidity of 75%.

Rainfall

In Marigot Bay, Saint Lucia, during May, the rain falls for 22.9 days and regularly aggregates up to 36mm (1.42") of precipitation. In Marigot Bay, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.

Sea temperature

In Marigot Bay, Saint Lucia, the average seawater temperature in May is 28°C (82.4°F).
Note: Water surface temperatures from 25°C (77°F) to 29°C (84.2°F) are considered optimal and extremely delightful for long-lasting pleasure in any water activity.

Daylight

In Marigot Bay, the average length of the day in May is 12h and 47min.
On the first day of May, sunrise is at 05:41 and sunset at 18:20. On the last day of the month, sunrise is at 05:35 and sunset at 18:28 AST.

Sunshine

The average sunshine in May is 9.5h.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Marigot Bay, Saint Lucia. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

Is it hot in Marigot Bay during May?

The average high-temperature and low-temperature in Marigot Bay, Saint Lucia, during May are 28.8°C (83.8°F) and 26.5°C (79.7°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in May is calculated to be 33°C (91.4°F).

What is the most humid month in Marigot Bay?

The months with the highest humidity in Marigot Bay are May through August and November, with an average relative humidity of 75%.

What is the average humidity in May in Marigot Bay?

In May, the average relative humidity in Marigot Bay, Saint Lucia, is 75%.

How much does it rain in Marigot Bay in May?

In Marigot Bay, Saint Lucia, in May, it is raining for 22.9 days, with typically 36mm (1.42") of accumulated precipitation.

How warm is the water in May in Marigot Bay?

In May, the average sea temperature in Marigot Bay, Saint Lucia, is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Marigot Bay have in May?

The average day length in May is 12h and 47min.

When is the sunrise / sunset in May in Marigot Bay?

On the first day of May, sunrise is at 05:41 and sunset at 18:20. On the last day of the month, sunrise is at 05:35 and sunset at 18:28 AST.

How many hours of sunshine does Marigot Bay have in May?

The average sunshine duration in May in Marigot Bay is 9.5h.

When is the highest UV index in Marigot Bay?

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in May in Marigot Bay?

In Marigot Bay, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in May
Marigot Bay, Saint Lucia

Average temperature in May - Marigot Bay, Saint Lucia
  • Average high temperature in May: 28.8°C

The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).

  • Average low temperature in May: 26.5°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

Average pressure in May
Marigot Bay, Saint Lucia

Average pressure in May - Marigot Bay, Saint Lucia
  • Average pressure in May: 1014.3mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed in May
Marigot Bay, Saint Lucia

Average wind speed in May - Marigot Bay, Saint Lucia
  • Average wind speed in May: 22.3km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

Average humidity in May
Marigot Bay, Saint Lucia

Average humidity in May - Marigot Bay, Saint Lucia
  • Average humidity in May: 75%

The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).

Average rainfall in May
Marigot Bay, Saint Lucia

Average rainfall in May - Marigot Bay, Saint Lucia
  • Average rainfall in May: 36mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days in May
Marigot Bay, Saint Lucia

Average rainfall days in May - Marigot Bay, Saint Lucia
  • Average rainfall days in May: 22.9 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

Average sea temperature in May
Marigot Bay, Saint Lucia

Average sea temperature in May - Marigot Bay, Saint Lucia
  • Average sea temperature in May: 28°C

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (27°C).

Average daylight in May /
Average sunshine in May
Marigot Bay, Saint Lucia

Average daylight in May / Average sunshine in May - Marigot Bay, Saint Lucia
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in May
Marigot Bay, Saint Lucia

Average sunshine days in May - Marigot Bay, Saint Lucia
  • Average sunshine days in May: 2.8 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

Average UV index in May
Marigot Bay, Saint Lucia

Average UV index in May - Marigot Bay, Saint Lucia
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

Average cloud cover in May
Marigot Bay, Saint Lucia

Average cloud cover in May - Marigot Bay, Saint Lucia
  • Average cloud cover in May: 47

The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

Average visibility in May
Marigot Bay, Saint Lucia

Average visibility in May - Marigot Bay, Saint Lucia
  • Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Marigot Bay, Saint Lucia

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location