The climate of Grand Anse Beach
Grand Anse Beach is geographically positioned in
Saint Lucia, a region chiefly governed by the Af Köppen climate classification. This particular classification denotes a Tropical rainforest climate. The tropical climate of Grand Anse Beach manifests through consistently high temperatures and frequent rainfall throughout the year. In essence, the island experiences two seasons: dry and wet, but the transition is difficult to detect due to the constant drizzle.
Temperature fluctuations in the region are minimal, with average high temperatures oscillating from 28°C (82.4°F) to 30°C (86°F) and the trend continuing throughout the year. Proportional fluctuations are noted in average low temperatures that range from 22°C (71.6°F) in
January and
February to 25°C (77°F) in
July. Sea temperatures do not dramatically deviate either, with a steady progression from 26°C (78.8°F) at the start of the year, peaking at 29°C (84.2°F) in the months of
September and
October, then gradually decreasing back to 27°C (80.6°F) by
December.
Rainfall peaks in September, with an average of 269mm (10.59") spread over about 25 days. January is the driest month, reporting a far lesser 113mm (4.45") of precipitation dispersed over 17 days. Neither month, nor indeed any period of the year, is entirely free of precipitation, a tribute to the overarching Tropical rainforest climate.
Notwithstanding the frequent rain, Grand Anse Beach enjoys abundant sunshine, with an annual average of 8 hours per day. In terms of daylight, the shortest day is in December with 11.3 hours, and the longest in
June with 12.9 hours. The UV index conveys high figures from February to October, peaking at 12 in
March,
April,
May, June, and July.
The best time to visit Grand Anse Beach
Given
Grand Anse Beach's tropical disposition, visiting it wholly hinges on one's personal threshold for heat, humidity, and rain. However, when these coupled aspects are considered,
January and
February emerge as the most appealing months for a visit. With lower rainfall over 17 days. Beachgoers should take note that the sea temperature remains comfortably warm at 27°C (80.6°F).
Weather in February
Weather in March
March sees a further steep decrease in the volume of rainfall, with a total of 76mm (2.99") making it the year's driest month. However, the temperature rises slightly, making afternoons a bit warmer. A higher UV index of 12 implies a stronger sun, hence protection from harmful ultraviolet rays becomes increasingly crucial.
Weather in March »
Weather in April
April showcases a moderate rise in temperature, marking the advent of warmer days. Ever so slight a rise can be noted with a low-temperature average of 23°C (73.4°F) to 24°C (75.2°F); the rainfall levels rise to 96mm (3.78").
Weather in April » Weather in May
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.
Weather in May » Weather in June
June marks the annual high point in rainfall with 182mm (7.17") logged over 19 days. Alongside increased showers, the month's temperatures and sea warmth help sustain a tropical vibe at
Grand Anse Beach. The daylight and sunshine hours, barely changing from
May, continue to offer ample opportunity for beachside relaxation.
Weather in June »
Weather in July
July is notable for the highest volume of rainfall witnessed throughout the year, with a significant increase to 245mm (9.65"). Concurrently, the warmest monthly average low temperature of 25°C (77°F) makes its appearance this month.
Weather in July » Weather in August
The weather patterns remain consistent in
August, with a slight decline in rainfall and no significant change in temperature compared to
July. Making it through the peak of the rainy season as rainfall drops to 216mm (8.5"). The sea remaining at a steady 28°C (82.4°F) makes August ideal for those preferring warmer sea temperatures.
Weather in August »Weather in September
As
Saint Lucia progresses into autumn,
September carries the year's highest number of rainy days at 25. Rainfall remains persistently high at 224mm (8.82") despite the entrance into the latter half of the year. Weather conditions continue to maintain the extended tropical summer feel, with temperatures staying around the 30 degrees mark.
Weather in September »
Weather in October
October weather at
Grand Anse Beach sees the accumulated rainfall peak at 269mm (10.59"). However, despite the high rainfall, the decreased number of rainy days marks the beginning of the end of the rainy season. The daylight hours and UV index gradually decline, signalling the transition into the cooler season.
Weather in October » Weather in November
As the year draws to a close,
November offers a pleasant abatement in the volume of rainfall, which reduces to 255mm (10.04"). The decrease in daylight hours and a slight dip in the UV index highlight the transition towards the year-end.
Weather in November »Weather in December
December greets
Grand Anse Beach with a further decrease in rainfall to 149mm (5.87"). The dropping temperature, sea warmth, decreasing daylight, and UV index all point towards the advent of the cooler season. Despite this, the daytime remains comfortably warm, with temperatures averaging from 29°C (84.2°F) to 23°C (73.4°F).
Weather in December »