August weather forecast
Marigot Bay, Saint Lucia

August brings with it the full brunt of the wet season with the heaviest rainfall recorded, reaching up to 82mm (3.23") over 25.9 days. However, the average temperature remains consistent from July to around 29.8°C (85.6°F), keeping the climate warm. Despite the rains, the sea temperature holds steady at 28°C (82.4°F), ensuring continued enjoyment of water activities. The prevalent sunshine allows tourists to make the most of their days. In sum, August in Marigot Bay is characterized by moist and hot conditions, interspersed with periods of bright sunshine.

Temperature

Marigot Bay, Saint Lucia, experiences an average high-temperature of a still moderately hot 29.8°C (85.6°F) in August, subtly different from July's 29.4°C (84.9°F). The nights of August in Marigot Bay anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 26.9°C (80.4°F).

Heat index

The heat index in August is calculated to be a sweltering 36°C (96.8°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

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

Rainfall

The month with the most rainfall in Marigot Bay is August, when the rain falls for 25.9 days and typically aggregates up to 82mm (3.23") of precipitation.

Sea temperature

In Marigot Bay, Saint Lucia, in August, the average water temperature is 28°C (82.4°F).
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

In August, the average length of the day in Marigot Bay is 12h and 35min.
On the first day of August, sunrise is at 05:48 and sunset at 18:32. On the last day of the month, sunrise is at 05:52 and sunset at 18:16 AST.

Sunshine

In Marigot Bay, Saint Lucia, the average sunshine in August is 9.7h.

UV index

The months with the highest UV index are January through May, July through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 7 in August translates into the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.