May weather forecast
Grand Anse Beach, Saint Lucia

May represents a transition of seasons in Saint Lucia, characterized by higher temperatures and increased rainfall levels. The weather is notably wetter, with rainfall surging to 124mm (4.88"), making it a rainier month. This month's temperature highlights are relatively high, laying the groundwork for the impending hot season. Increased daylight hours coupled with a steady UV index condition translate into sun-soaked days at the beach. Despite the heightened humidity, warm sea temperatures promise pleasant dips in the ocean.

Temperature

The months of May through October see the peak of Grand Anse Beach's temperatures, averaging a high of 30°C (86°F).

Rainfall

In Grand Anse Beach, Saint Lucia, during May, the rain falls for 15 days and regularly aggregates up to 124mm (4.88") of precipitation. In Grand Anse Beach, during the entire year, the rain falls for 209 days and collects up to 2035mm (80.12") of precipitation.

Sea temperature

In Grand Anse Beach, in May, the average water temperature is 28°C (82.4°F).
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In May, the average length of the day is 12h and 47min.
On the first day of May in Grand Anse Beach, sunrise is at 05:41 and sunset at 18:19. On the last day of the month, sunrise is at 05:34 and sunset at 18:28 AST.

Sunshine

January through September, November and December, with an average of 8h of sunshine, are months with the most sunshine in Grand Anse Beach, Saint Lucia.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 12 during May leads to these advisories:
Carry out all important precautions, unprotected skin could get burns in no time. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. After a swim or outdoor exercise, one should liberally reapply broad-spectrum sunscreen with a sun protection factor of 30 or higher. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.