May weather forecast
Grande Riviere, Saint Lucia

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.