Last updated: August 31, 2025
Experience the tropical allure of Gros Islet, Saint Lucia in August, where the climate is a delightful blend of warm temperatures and lush humidity. With maximum highs reaching 31°C (89°F) and an average of 28°C (82°F), the weather beckons visitors to embrace the sun. However, be prepared for brief interludes of rain, as the region sees 113 mm (4.5 in) of precipitation over approximately 25 days of the month. Humidity levels remain high at 81%, enhancing the feeling of a vibrant, tropical paradise. August in Gros Islet is truly a captivating blend of warmth and tropical showers, perfect for those seeking adventure and relaxation alike.
In August, Gros Islet, Saint Lucia basks in warm tropical temperatures, with minimums averaging around 24°C (76°F), and maximums peaking at 31°C (89°F). The month features a delightful average temperature of 28°C (82°F), marking it as one of the warmest times of the year. Following the trend established in the preceding summer months, the warmth of August is complemented by steady humidity, which enriches the lush landscapes and vibrant marine life that the region is renowned for. As temperatures remain consistent, visitors can enjoy the sunny beaches and lively local culture, making it a perfect time to indulge in outdoor adventures and relaxation.
August in Gros Islet, Saint Lucia marks the peak of the rainy season, with precipitation soaring to 113 mm (4.5 in) over an average of 25 days. This substantial rainfall sets the stage for lush landscapes and vibrant flora, making the island's natural beauty even more captivating. This uptick in precipitation follows a noticeable trend, as rainfall steadily increases from 65 mm in June to a striking 105 mm in July. As summer transitions into fall, August serves as a pivotal month, leading into September's even higher average of 121 mm (4.8 in). The frequent downpours contribute to the region's tropical charm, while also signaling the arrival of the most active part of the wet season.
August in Gros Islet, Saint Lucia, showcases a comfortable humidity level of 81%, aligning closely with the consistent trends observed throughout the year. The humidity reaches its peak during the summer months, with July seeing the highest levels at 84%. This slight dip in August signals a gradual return to the lower humidity levels of the early months, with February and March averaging 80%. Overall, the humidity in Gros Islet remains relatively stable, mostly fluctuating between 79% and 84% across the year, creating a tropical haven that invites visitors to enjoy its lush landscapes and vibrant culture.
In Gros Islet, Saint Lucia, the August UV Index reaches a notable 14, categorized as extreme, meaning sun exposure can quickly lead to skin damage with a burn time of only 10 minutes. This peak aligns with the region's trend throughout the summer months, where values remain consistently high from June to September, reflecting a strong need for sun protection. Interestingly, this pattern shifts again in the fall and winter, with indexes dropping to a very high category by November. As such, staying informed about the UV index is crucial for safe outdoor activities year-round. For more detailed information, visit the Gros Islet UV Index.
UV Risk Categories
August in Gros Islet, Saint Lucia, continues the trend of abundant sunshine, with 346 hours of glorious sunlight. As the summer peaks, it follows a vibrant July that recorded 348 hours, while also reflecting a slight drop from May's sunny high of 355 hours. The consistent warmth throughout the months, especially from February's 304 hours to June's 325 hours, highlights a warm, inviting climate perfect for leisure and exploration. As the year progresses toward the cooler months, with September showing 319 hours, travelers can still revel in the beauty of summer before welcoming the pleasant transitions of autumn.
In Gros Islet, Saint Lucia, August offers a 46% chance of sunny weather, which positions it among the more sunlit months of the year. This percentage closely mirrors the sunlit probabilities of both July and October, suggesting a consistent climatic trend during the summer and early autumn. While January and November boast higher chances of sun, August remains a solid option for those seeking sunshine amid the tropical allure. With the peak of the dry season behind, travelers can expect a mix of vibrant sun and occasional showers, making it a delightful time to explore the natural beauty of the island.
In Gros Islet, Saint Lucia, the daylight duration reveals an interesting pattern throughout the year. From January to February, the days maintain a consistent 11 hours of sunlight, offering a gentle start to the year. As spring approaches in March, daylight begins to extend, reaching 12 hours by the month’s end and remaining steady through the summer months of April to August. This consistent daylight duration of 12 hours creates a bright and vibrant atmosphere perfect for outdoor activities. Interestingly, as we transition into autumn in September, the days maintain this same sunny stretch before tapering off to 11 hours once again in October through December. This gradual shift underscores a rhythm of daylight that reflects the island's tropical climate, making Gros Islet a year-round haven for sun-seekers.
In Gros Islet, Saint Lucia, the winds take on a character of their own throughout the year, with August featuring a noticeable dip in average wind speed at 5.1 m/s (11 mph). This marks a contrast to the livelier breezes of earlier summer months like June and July, which maintain a steady 6.4 m/s (14 mph), providing a refreshing respite for beachgoers. As summer fades into early fall, the winds continue to slow down, peaking the interest of sailors and water sports enthusiasts who often find the gentle currents in August ideal for relaxed activities. Notably, September further decreases to 3.9 m/s (9 mph), illustrating a seasonal trend toward calmer winds as the island transitions into the quieter, more serene months of the year.
Weather in Gros Islet varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Gros Islet, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of August and January, a few notable differences emerge. August tends to be slightly warmer, with average temperatures around 28°C (82°F) compared to January's 26°C (78°F). However, both months share similar minimum temperatures, with August recording a minimum of 24°C (76°F) and January at 22°C (72°F). Rainfall is significantly more prevalent in August, accumulating to 113 mm (4.5 in) over 25 days, while January sees only 36 mm (1.4 in) across 15 days. Despite these variations, the humidity remains consistent at 81% for both months. For a deeper look into the climatic conditions, you can check out Gros Islet weather in January.
In comparison to February, August generally experiences warmer temperatures, with averages reaching around 28°C (82°F) compared to February's 25°C (78°F). August also presents higher maximum temperatures, peaking at 31°C (89°F) versus February's 30°C (86°F). However, August is significantly wetter, with a precipitation total of 113 mm (4.5 in) spread over 25 days, while February sees only 33 mm (1.3 in) over just 12 days. Humidity levels are fairly similar, with August at 81% and February slightly lower at 80%. For more about February's weather, you can check Gros Islet weather in February.
When comparing the weather in August and March, several key differences stand out. August typically experiences warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum of 31°C (89°F). In contrast, March is slightly cooler, with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (85°F), averaging around 26°C (79°F). Additionally, August is marked by higher precipitation levels, averaging 113 mm (4.5 in) over 25 days, while March sees significantly less rain at 38 mm (1.5 in) on about 15 days. Humidity remains quite similar, with August at 81% and March at 80%. For a more detailed look at March weather, you can visit Gros Islet weather in March.
In August, the weather is typically warmer and more humid than in April, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (89°F). The average humidity during this month is a notable 81%, accompanied by significant rainfall of 113 mm (4.5 in) over 25 days. In contrast, April offers slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 31°C (87°F). Additionally, precipitation is much lower in April, with only 35 mm (1.4 in) over about 14 days and a humidity level of 79%. For more detailed information about April's weather, you can check Gros Islet weather in April.
When comparing the weather in August and May, both months experience warm temperatures, but August tends to be slightly warmer and more humid. In August, the minimum temperature is 24°C (76°F) with an average of 28°C (82°F) and a maximum of 31°C (89°F), along with a higher average humidity of 81%. May, on the other hand, has a minimum temperature of 23°C (74°F), an average of 27°C (81°F), and peaks at 31°C (88°F), with slightly lower humidity at 80%. Additionally, August sees considerably more rainfall, with 113 mm (4.5 in) over 25 days, compared to May's 39 mm (1.6 in) over just 13 days. For more detailed information, you can check Gros Islet weather in May.
When comparing the weather in August and June, both months exhibit similar warm temperatures, with minimums around 24°C (75-76°F) and maximums reaching up to 31°C (88-89°F). However, August tends to be slightly warmer overall, with an average temperature of 28°C (82°F) compared to June's 27°C (81°F). Additionally, August experiences significantly more precipitation, with 113 mm (4.5 in) occurring over 25 days, while June has only 65 mm (2.6 in) across 16 days. Humidity levels are also high in both months, peaking at 81% in August and a slightly higher 83% in June. For more detailed information about June's weather, you can check Gros Islet weather in June.
August and July present similar weather patterns, with both months showcasing a consistent range of temperatures. In August, the minimum temperature remains steady at 24°C (76°F), while the average rises slightly to 28°C (82°F), compared to July's average of 27°C (81°F). Maximum temperatures are equal at 31°C (89°F) for both months. However, August experiences a bit more rainfall, with 113 mm (4.5 inches) of precipitation over 25 days, while July has 105 mm (4.1 inches) over 24 days. Humidity levels are slightly higher in July at 84% compared to August's 81%. For a closer look at July's weather details, visit Gros Islet weather in July.
In comparing the weather of August and September, both months exhibit warm temperatures, though September shows a slight increase with a minimum temperature of 25°C (76°F) and a maximum of 32°C (90°F), compared to August's min of 24°C (76°F) and max of 31°C (89°F). The average temperature remains relatively stable, with August at 28°C (82°F) and September at 28°C (83°F). However, September experiences slightly higher precipitation at 121 mm (4.8 in) over 19 days, while August had 113 mm (4.5 in) across 25 days, suggesting a more intense but shorter rainy period in September. Humidity levels are also comparable, sitting at 81% for August and slightly lower at 80% for September. For more detailed information, check out Gros Islet weather in September.
August and October exhibit similar warmth, with minimum temperatures consistently around 24°C (76°F) in both months. However, August has a slightly higher average temperature of 28°C (82°F) compared to October's 27°C (81°F). The maximum temperatures peak at 31°C (89°F) in both months, providing a tropical experience. When it comes to precipitation, October sees a slight increase with 128 mm (5.1 in) over 21 days, compared to August's 113 mm (4.5 in) over 25 days. Humidity remains relatively high in both months, with October at 82% and August at 81%. For more details on October weather specifically, visit Gros Islet weather in October.
August and November share similar temperature ranges, with both months experiencing minimums around 24°C (75°F) and maximums reaching up to 31°C (87-89°F). However, August tends to be slightly wetter, with average precipitation of 113 mm (4.5 in) over 25 days, compared to November's 103 mm (4.1 in) across 21 days. Humidity levels are also comparable, with August at 81% and November slightly higher at 83%. For more detailed information on November weather, you can refer to Gros Islet weather in November.
In comparing the weather of August and December, we see that both months maintain warm temperatures, with August experiencing slightly higher averages. In August, the minimum temperature is 24°C (76°F), with an average of 28°C (82°F) and a maximum reaching 31°C (89°F). Meanwhile, December's temperatures are slightly cooler, with a minimum of 22°C (72°F), an average of 26°C (80°F), and a maximum of 30°C (86°F). Precipitation levels also differ significantly; August sees 113 mm (4.5 in) of rainfall over 25 days, while December has a reduced total of 46 mm (1.8 in) over 16 days. Humidity remains relatively comparable, at 81% in August and 82% in December. For more detailed insights into December weather, you can visit Gros Islet weather in December.
In August, Gros Islet experiences warm temperatures with highs reaching around 31°C and an average of 28°C, making it a month ideal for beachgoers seeking tropical warmth. However, this summer month also brings increased humidity and significant precipitation, with rain falling on nearly 25 days. Compared to other months, August stands out with its heightened chance of showers, contributing to a lush, vibrant landscape. Despite the rain, the overall warmth and humidity create a sultry atmosphere, perfect for enjoying the rich culture and stunning scenery of the region. For a deeper dive into the weather patterns, visit Gros Islet Climate.