Last updated: August 31, 2025
In August, the Saint Lucia Estuary experiences a mild and temperate climate, with maximum temperatures reaching a comfortable 26°C (78°F) and an average of 20°C (69°F), while nighttime lows dip to around 15°C (59°F). This period also brings noticeable humidity at 79%, creating a lush environment that supports diverse wildlife. Although it’s one of the wetter months, with precipitation of 61 mm (2.4 in) over approximately 11 days, the beauty of the area thrives in this unique weather, offering stunning vistas and vibrant ecosystems for visitors to enjoy.
In August, the Saint Lucia Estuary experiences a gentle transition into the cooler months, with temperatures showcasing a subtle dip. The average temperature hovers around 20°C (69°F), maintaining a comfortable climate ideal for outdoor exploration. Night temperatures slightly increase from July, with a minimum of 15°C (59°F), while daytime highs reach up to 26°C (78°F). This month marks the end of winter, providing a mild and pleasant environment. As August progresses, visitors can enjoy the balance between a warm afternoon sun and cooler evenings, setting the stage for a delightful experience in this beautiful South African locale.
In August, the Saint Lucia Estuary experiences a moderate shift in precipitation, with 61 mm (2.4 in) of rainfall over 11 days. This marks a slight uptick from July's meager 26 mm (1.0 in), suggesting a gradual transition towards the more humid months ahead. The rainfall patterns illustrate a consistent decline from the wetter months of January through May, with June and July presenting a stark reduction. As August approaches, the rainfall begins its slow ascent again, paving the way for the wetter months of September and October. Overall, the data indicates a seasonal rhythm, where Saint Lucia oscillates between drier spells and bursts of rainfall, shaping the lush landscape that characterizes this vibrant ecosystem.
In August, the humidity in the Saint Lucia Estuary experiences a slight dip, settling at 79%. This marks the lowest point of the year, creating a brief respite from the consistently high humidity levels that characterize earlier months. From January through July, humidity remains notably elevated, hovering between 80% and 86%. However, as the month transitions to September, humidity levels rebound to 85%, reflecting the tropical climate's inherent moisture. This trend of high humidity, punctuated by the brief August lull, underscores the region's patterns where coastal influences and changing seasons play a crucial role in shaping the atmospheric conditions throughout the year.
In August, the UV Index in Saint Lucia Estuary, South Africa, registers at 7, categorized as high, with a burn time of approximately 25 minutes. This marks a slight uptick from the moderate UV levels observed in the previous two months, indicating that while the harsh summer extremes are receding, sun protection remains essential. As we transition from the intense summer months of January through March, where the UV Index soars to 14, August presents a more manageable, yet still significant risk. This trend continues into September, which again sees a return to very high levels, emphasizing that vigilance is necessary throughout the year. For more details on how to stay safe under the sun, check the Saint Lucia Estuary UV Index.
UV Risk Categories
In August, the Saint Lucia Estuary basks in a delightful 305 hours of sunshine, continuing the trend of robust sunlight characteristic of the winter months. Following a consistent pattern, August maintains a similar brightness level to the previous month of July, which also enjoyed 303 hours of sun. As summer approaches towards the end of the year, the sunshine hours steadily increase, showcasing a beautiful transition that culminates in the sunniest month, December, with an impressive 356 hours. This gradual rise in sunlight captured throughout the year highlights the Estuary's charm, making it an inviting destination for sun-seekers even in winter.
In August, the Saint Lucia Estuary enjoys a 63% chance of sunny weather, making it one of the more favorable months for outdoor activities. This figure reflects a slight decline from the peak of 82% in July but remains comfortably above the more variable summer months, like January and February, which feature chances as low as 23%. As the winter season transitions into spring, the likelihood of sunshine gradually increases, peaking mid-year and tapering off into the late months. Thus, while August may not boast the highest sun probability of the year, it still offers a delightful opportunity for visitors eager to soak up the beauty of this stunning coastal region.
In August, daylight in the Saint Lucia Estuary begins to brighten, offering 11 hours of sun—an increase from the consistent 10 hours experienced in the previous three months. This gradual return to longer days signals the transition from winter to spring, inviting a sense of renewal. Following a steady decrease in daylight from January's peak of 13 hours through the depths of winter in May, August reflects the lengthening days that will continue into early spring. As nature awakens, the extended sunlight not only enhances outdoor activities but also stimulates the rich biodiversity for which this region is renowned.
The August winds in the Saint Lucia Estuary really pick up, with an average speed of 8.5 m/s (19 mph), showcasing a notable increase from the previous months. This gusty month contrasts sharply with the calmer conditions experienced earlier in the year, as January through March recorded average speeds between 5.9 m/s and 7.1 m/s. Following July’s rise to 7.5 m/s (17 mph), August marks the peak for wind activity, setting the stage for vibrant outdoor adventures. As the seasons transition, the winds remain relatively consistent in September and October, both averaging 8.3 m/s and 8.4 m/s respectively, before settling back into milder conditions by late fall. This pattern highlights the dynamic and ever-changing nature of the coastal climate, making the estuary a thrilling destination for both nature enthusiasts and sailing aficionados alike.
Weather in Saint Lucia Estuary varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Saint Lucia Estuary, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in August and January, one can observe significant differences in temperature and precipitation patterns. August tends to be milder, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 26°C (78°F), averaging around 20°C (69°F). In contrast, January experiences warmer conditions, with minimum temperatures at 22°C (71°F) and maximum temperatures reaching 29°C (84°F), averaging 25°C (77°F). Additionally, January sees more precipitation, with 135 mm (5.3 in) over 13 days compared to August's 61 mm (2.4 in) over 11 days. Humidity levels are also slightly higher in January at 85%, compared to 79% in August. For more detailed information, you can visit Saint Lucia Estuary weather in January.
When comparing the weather in August and February, notable differences emerge. August experiences milder temperatures, with a minimum of 15°C (59°F) and an average of 20°C (69°F), while February tends to be warmer, with a minimum of 22°C (72°F) and an average of 26°C (78°F). Additionally, February sees significantly more rainfall, recording 181 mm (7.1 in) over 17 days, compared to August’s 61 mm (2.4 in) over 11 days. Humidity levels are also higher in February at 86%, versus August’s 79%. For more detailed insights into February weather, you can visit Saint Lucia Estuary weather in February.
When comparing the weather in August and March, it is evident that March tends to be warmer and more humid. In March, the minimum temperature averages at 21°C (69°F), with an average of 25°C (77°F) and a maximum of 28°C (83°F). In contrast, August has a lower temperature range, with a minimum of 15°C (59°F), an average of 20°C (69°F), and a maximum of 26°C (78°F). Additionally, March experiences more precipitation, totaling 148 mm (5.8 in) over 15 days, compared to August's 61 mm (2.4 in) over 11 days. The humidity also peaks in March at 86%, slightly higher than August's 79%. For more detailed insights into March weather, you can visit Saint Lucia Estuary weather in March.
When comparing the weather in August and April, we see notable differences in temperature and rainfall patterns. August tends to be milder, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 26°C (78°F), while April is warmer, with temperatures starting at a minimum of 19°C (67°F) and reaching up to 28°C (82°F). Precipitation also varies, with August receiving 61 mm (2.4 in) of rainfall over 11 days, compared to April's higher total of 118 mm (4.6 in) spread across 15 days. Additionally, humidity levels are generally higher in April at 86%, compared to 79% in August. For more detailed weather insights, you can check out Saint Lucia Estuary weather in April.
When comparing the weather in August and May, it’s clear that both months offer warm temperatures, though May tends to be slightly warmer overall. In May, the minimum temperature is about 17°C (63°F) with an average of 22°C (73°F), while August has a slightly cooler minimum of 15°C (59°F) and an average of 20°C (69°F). Both months feature a maximum temperature of 26°C (79°F). However, May experiences significantly higher precipitation at 123 mm (4.8 in) over 12 days, compared to August’s 61 mm (2.4 in) across 11 days. Humidity is also higher in May at 86%, compared to 79% in August. For a detailed look at the weather in May, you can visit Saint Lucia Estuary weather in May.
When comparing the weather in August and June, one can observe that August tends to be slightly cooler, with average temperatures ranging from a minimum of 15°C to a maximum of 26°C, compared to June's range of 17°C to 25°C. Both months experience similar humidity levels, with August at 79% and June at 80%. Regarding precipitation, June has slightly more rainfall at 69 mm across 7 days, while August sees 61 mm over 11 days, indicating that August might be wetter on a more frequent basis. For more details on the weather specifically in June, you can check out this link: Saint Lucia Estuary weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with minimum temperatures around 14-15°C (58-59°F), average temperatures consistently at 20°C (69°F), and maximums reaching up to 26°C (78°F). However, August sees a notable increase in precipitation, with 61 mm (2.4 in) over 11 days compared to July's 26 mm (1.0 in) over just 8 days. Additionally, humidity levels remain high throughout both months, with August at 79% and July slightly higher at 80%. For more detailed insights, you can check Saint Lucia Estuary weather in July.
In August, the weather features a minimum temperature of 15°C (59°F) and an average of 20°C (69°F), with highs reaching up to 26°C (78°F). The month sees a total precipitation of 61 mm (2.4 in) spread over 11 days, and humidity levels hover around 79%. In contrast, September experiences a slight increase in temperatures, with a minimum of 15°C (60°F), an average of 21°C (70°F), and a maximum of 27°C (81°F). Precipitation remains comparable at 63 mm (2.5 in), but falls over only 9 days, and humidity rises to 85%. For more detailed insights into September weather, you can visit Saint Lucia Estuary weather in September.
In August, the weather exhibits a mild warmth with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 26°C (78°F), accompanied by an average of 20°C (69°F). The month sees about 61 mm (2.4 in) of precipitation over 11 days, with a humidity level of 79%. In contrast, October experiences slightly warmer overall conditions, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 28°C (84°F) and an average temperature of 21°C (70°F). Precipitation is higher in October at 90 mm (3.5 in) over 13 days, and humidity increases to 86%. For more detailed insights on the October weather, you can check Saint Lucia Estuary weather in October.
When comparing the weather in August and November, August tends to be slightly cooler, with average temperatures ranging from 15°C (59°F) to 26°C (78°F) and average humidity at 79%. Precipitation is moderate, totaling 61 mm (2.4 in) over about 11 days. In contrast, November is warmer, featuring average temperatures between 17°C (63°F) and 28°C (83°F), along with a higher humidity level of 87%. Additionally, November experiences more rainfall, accumulating 119 mm (4.7 in) across 12 days. For more detailed weather insights specific to November, you can check Saint Lucia Estuary weather in November.
In comparing the weather of August and December, we see notable differences in temperatures and precipitation patterns. August typically experiences cooler temperatures, with a minimum of 15°C (59°F) and an average of 20°C (69°F), whereas December’s temperatures are warmer, with a minimum of 19°C (67°F) and an average of 24°C (75°F). Both months feature a fair amount of rainfall, but December has a higher total precipitation of 92 mm (3.6 in) over 14 days compared to August's 61 mm (2.4 in) spread across 11 days. Additionally, humidity levels are slightly higher in December at 86%, compared to August's 79%. For more detailed insights, you can check out the weather specifics for the area Saint Lucia Estuary weather in December.
August in Saint Lucia Estuary presents a unique weather pattern that contrasts with the warmer summer months. While temperatures remain moderate, with an average hovering around 20°C, the increased humidity at 79% can make the air feel a bit stickier. Visitors may experience occasional rainfall, as 11 days of precipitation contribute to a total of 61 mm, which is considerably higher than the drier winter months. This transitional period is characterized by a blend of warmth and moisture, setting the stage for the vibrant natural beauty of the region. For a deeper understanding of the weather trends throughout the year, explore the detailed insights available at Saint Lucia Estuary Climate.