May weather forecast
Grande Riviere, Saint Lucia

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Weather in May

In Grande Riviere, May brings a discernible inclination towards a warmer spectrum. Going from 26.5°C (79.7°F) to 28.8°C (83.8°F), the daytime temperature begins to feel slightly intense under the sun-soaked sky. Despite the mount in mercury level, wind speed subtly counters the heat, making the atmosphere bearable for residents. Extended daylight hours allow ample opportunities for outdoor activities, notwithstanding the frequent rainfall that May brings. With sunshine in abundance, heaps of sunscreen and light, breathable attire are recommended for residents and tourists alike.

Temperature

Grande Riviere's May average high-temperature settles at a still moderately hot 28.8°C (83.8°F), showing a near match with the preceding month. Night temperatures during May in Grande Riviere experience a slight downturn, averaging a still warm 26.5°C (79.7°F).

Heat index

The heat index value for May is calculated to be a hot 33°C (91.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Consider that heat index readings are for situations in the shade and light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

May through August and November, with an average relative humidity of 75%, are the most humid months in Grande Riviere.

Rainfall

In Grande Riviere, in May, it is raining for 22.9 days, with typically 36mm (1.42") of accumulated precipitation. In Grande Riviere, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.

Daylight

In May, the average length of the day is 12h and 47min.
On the first day of May in Grande Riviere, sunrise is at 05:41 and sunset at 18:20. On the last day of the month, sunrise is at 05:34 and sunset at 18:28 AST.

Sunshine

The average sunshine in May in Grande Riviere is 9.5h.

UV index

The months with the highest UV index in Grande Riviere are January through May, July through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

Is it hot in Grande Riviere during May?

In May, the average high-temperature and low-temperature 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 air temperature and relative humidity, in May is calculated to be 33°C (91.4°F).

What is the most humid month in Grande Riviere?

May through August and November, with an average relative humidity of 75%, are most humid months in Grande Riviere, Saint Lucia.

What is the average humidity in May in Grande Riviere?

In Grande Riviere, Saint Lucia, the average relative humidity in May is 75%.

How much does it rain in Grande Riviere in May?

In Grande Riviere, Saint Lucia, in May, during 22.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

How many hours of daylight does Grande Riviere have in May?

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

What time are sunrise and sunset in May in Grande Riviere?

In May, on the first day of the month, sunrise is at 05:41 and sunset at 18:20. On the last day of the month, in Grande Riviere, sunrise is at 05:34 and sunset at 18:28 AST.

How many hours of sunshine does Grande Riviere have in May?

In May, the average sunshine duration in Grande Riviere, Saint Lucia, is 9.5h.

When is the highest UV index in Grande Riviere?

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

What is the UV index intensity in May in Grande Riviere?

The average daily maximum UV index in May is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in May
Grande Riviere, Saint Lucia

Average temperature in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average pressure in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average wind speed in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average humidity in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average rainfall in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average rainfall days in May - Grande Riviere, 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 daylight in May /
Average sunshine in May
Grande Riviere, Saint Lucia

Average daylight in May / Average sunshine in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average sunshine days in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average UV index in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average cloud cover in May - Grande Riviere, 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
Grande Riviere, Saint Lucia

Average visibility in May - Grande Riviere, 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).

Grande Riviere, Saint Lucia

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