Last updated: August 31, 2025
In August, Basseterre, Saint Kitts and Nevis experiences warm tropical weather, with maximum temperatures reaching 29°C (84°F) and an average of 27°C (82°F). Minimum temperatures hover around 25°C (77°F), providing a comfortable atmosphere for both locals and visitors. However, the month is characterized by significant rainfall, accumulating to 101 mm (4.0 inches) over 16 days, contributing to the island's lush greenery. With humidity levels at a noteworthy 82%, August showcases the vibrant allure of this Caribbean destination while presenting the occasional challenge of unpredictable showers.
In August, the temperatures in Basseterre, Saint Kitts and Nevis reach a delightful minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). Following a warm progression through the summer months, August showcases the peak warmth of the year, mirroring the rising trends observed since May. With consistent nighttime temperatures, the tropical climate ensures that evenings remain pleasantly warm, inviting lush sunsets and vibrant nightlife. Overall, August embodies the essence of the Caribbean heat, making it an enticing time for sun-seekers and beach lovers alike.
In August, Basseterre, Saint Kitts and Nevis, experiences a notable spike in precipitation, with an impressive 101 mm (4.0 in) of rainfall across 16 days. This increase marks a significant rise compared to the preceding months, particularly July, which saw 78 mm (3.1 in) over 18 days. The trend indicates that as summer progresses, rain becomes more frequent and intense, foreshadowing the even wetter conditions typical of September, where average rainfall escalates to 146 mm (5.7 in). This pattern highlights the island's transition into its rainy season, showcasing how August serves as a bridge to the peak of the rainy months ahead.
In August, Basseterre, Saint Kitts and Nevis, experiences an average humidity of 82%, marking a slight dip from the preceding month of July, which recorded the year's highest humidity at 83%. This month falls within a gradual increase in humidity that starts in the earlier spring months of April and peaks in the summer, illustrating a trend where humidity tends to escalate toward mid-year, often creating a balmy atmosphere. After August, a decline to 80% in September signals the onset of transitioning weather as the island prepares for the cooler months ahead. Overall, the summer months in Basseterre not only showcase a rise in humidity but also offer a glimpse of the lush tropical environment that characterizes this idyllic Caribbean destination.
In August, Basseterre experiences consistently high UV levels, with the UV Index peaking at 13, marking it within the extreme exposure category. This trend follows the months of May through July, where the UV Index remains at the same elevated level, highlighting the intense sun exposure typical during the Caribbean summer. As the year progresses into September, the index reaches an even higher 14. For residents and visitors alike, it's crucial to remain vigilant and protect your skin, as the burn time remains a brisk 10 minutes throughout this period. For more detailed information on UV levels in Basseterre, check out Basseterre UV Index.
UV Risk Categories
In August, Basseterre shines brightly with an impressive 351 hours of sunshine, maintaining its reputation as a sun-drenched paradise. This month follows the peak of July, which boasts the highest sunshine total at 362 hours, showcasing a vibrant summer atmosphere that invites both relaxation and adventure. Although August sees a slight dip from its predecessor, it still stands strong against the cooler months ahead, reflecting a summer that gradually transitions into autumn. Throughout the year, sunshine hours generally trend upward from January's 261 hours, peaking mid-summer before tapering off in the fall. As August closes, it rewards visitors with warm, sunlit days that promise memorable experiences under the Caribbean sun.
In August, Basseterre experiences a 46% chance of sunny weather, which maintains a similar outlook to April and July. This month falls right in the middle of the year, reflecting a trend of fluctuating sun chances, especially following the markedly lower probabilities observed in June. As summer draws to a close, the likelihood of sun begins to rise again in September, reaching 60%. Overall, while August does not boast the highest chances of sunshine, it remains a delightful time to enjoy the tropical beauty of Saint Kitts and Nevis, especially when contrasted with the more overcast days of the preceding month.
In Basseterre, Saint Kitts and Nevis, the daylight duration showcases a fascinating seasonal rhythm. Starting the year with 11 hours of daylight in January and February, the days gradually lengthen into 12 hours during the spring months of March through May. As summer arrives in June and July, the Caribbean sun maximizes its presence, offering 13 hours of glorious daylight. However, by August, this peak starts to yield slightly, returning to 12 hours, a duration that remains steady through September. As the year transitions into the fall and winter months, daylight retreats back to 11 hours in October and remains consistent through to December. This cyclical pattern beautifully illustrates the tropical climate's interplay between summer sunlight and seasonal change.
In August, Basseterre experiences a gentle breeze with an average wind speed of 7.3 m/s (16 mph), maintaining the same calmness seen in January. This month serves as a transition, following a series of invigorating winds during the summer, peaking in July at 8.5 m/s (19 mph). As the island prepares to welcome the quieter months, August's wind offers a pleasant reprieve from the more robust gusts of earlier summer. The trend shows that while the winds are generally milder in late summer, the shift towards September brings a noticeable decline to 5.3 m/s (12 mph), hinting at the approaching lull of autumn. Overall, August's breezy charm reflects Saint Kitts and Nevis's unique climatic rhythm, providing both comfort and an inviting atmosphere for visitors and locals alike.
Weather in Basseterre varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Basseterre, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present noticeably different weather patterns. In August, temperatures are slightly warmer, with an average of 27°C (82°F) and maximums reaching up to 29°C (84°F). The month also experiences higher humidity at 82% and more precipitation, totaling 101 mm (4.0 in) over 16 days. In contrast, January offers milder conditions with average temperatures around 25°C (78°F) and maximums peaking at 27°C (81°F). Precipitation is significantly lower at 35 mm (1.4 in) spread over 13 days, and humidity is slightly reduced at 77%. For more details on January weather, visit Basseterre weather in January.
August weather is characterized by warmer temperatures, with a minimum of 25°C (77°F) and an average of 27°C (82°F), peaking at 29°C (84°F). This month also experiences significant rainfall, totaling 101 mm (4.0 in) over 16 days, along with high humidity at 82%. In contrast, February offers a slightly cooler climate, with minimum temperatures around 22°C (72°F) and an average of 25°C (77°F), reaching a maximum of 26°C (80°F). Precipitation in February is notably lower at 35 mm (1.4 in) over 12 days, accompanied by lower humidity levels at 77%. For more details on February weather conditions, you can visit Basseterre weather in February.
In comparing the weather between August and March, August typically boasts warmer temperatures, with a minimum of 25°C (77°F) and average highs reaching 29°C (84°F). In contrast, March experiences milder conditions, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 26°C (80°F). Additionally, August sees significantly more rainfall, with 101 mm (4.0 in) of precipitation over 16 days compared to March's 27 mm (1.1 in) over just 10 days. Humidity levels are also slightly higher in August at 82%, compared to March's 77%. For more details on March weather, visit Basseterre weather in March.
When comparing the weather in April and August, April tends to be slightly cooler with temperatures averaging around 25°C (78°F), whereas August sees higher averages of 27°C (82°F). The maximum temperatures in August reach up to 29°C (84°F), making it warmer than April's peak of 27°C (81°F). Rainfall also differs significantly; April experiences approximately 41 mm (1.6 in) of precipitation over 13 days, while August receives much more with 101 mm (4.0 in) over 16 days. Additionally, humidity levels are slightly higher in August at 82%, compared to April's 78%. For more detailed information, check out Basseterre weather in April.
In August, the weather is warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F) and an average of 27°C (82°F). This month also experiences significant precipitation, totaling 101 mm (4.0 in) over 16 days, contributing to a humidity level of 82%. In contrast, May offers slightly cooler conditions with temperatures that vary from a minimum of 24°C (75°F) to a maximum of 28°C (82°F) and an average of 26°C (79°F). May sees less rainfall, with a total of 53 mm (2.1 in) over 14 days and slightly lower humidity at 79%. For more detailed information, you can check out Basseterre weather in May.
In comparing the weather of August and June, both months exhibit similar warm temperatures, with average highs hovering around the mid to high 20s°C. August sees a slightly higher maximum temperature of 29°C (84°F) compared to June's peak of 28°C (83°F), while both months maintain a minimum temperature of 25°C (77°F). However, August experiences significantly more rainfall, with 101 mm (4.0 in) spread over 16 days, compared to June's 51 mm (2.0 in) over 12 days. This results in slightly higher humidity levels in August at 82%, compared to June’s 81%. For more specific details about June weather, you can check this link: Basseterre weather in June.
In comparing the weather of August and July, we find that both months maintain similar temperature ranges, with average temperatures hovering around 27°C (81°F to 82°F). However, August experiences slightly more rain, with a total precipitation of 101 mm (4.0 in) over 16 days, compared to July's 78 mm (3.1 in) over 18 days. Humidity levels also remain high in both months, with August registering at 82% and July at 83%. For a closer look at July weather specifics, you can visit Basseterre weather in July.
In August, the weather is characterized by consistently warm temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). The month sees notable rainfall, accumulating to 101 mm (4.0 in) over 16 days, paired with a high humidity level of 82%. Conversely, September maintains the same temperature range, with minimums and maximums remaining steady at 25°C (78°F) and 29°C (84°F), respectively. However, it experiences increased precipitation of 146 mm (5.7 in) distributed over 20 days, alongside slightly lower humidity at 80%. For more insights into the weather trends, you can check Basseterre weather in September.
In August, the weather remains warm with minimum temperatures around 25°C (77°F) and an average of 27°C (82°F), peaking at a maximum of 29°C (84°F). This month also experiences higher humidity at 82% and significant rainfall, with 101 mm (4.0 in) over 16 days. In contrast, October retains similar temperatures, with minimums at 25°C (77°F), averages of 27°C (81°F), and maximums reaching 29°C (85°F). However, it sees a slight increase in precipitation to 112 mm (4.4 in) over 18 days and a slight drop in humidity to 79%. For more details on October weather, check Basseterre weather in October.
In comparing the weather between August and November, both months present warm conditions, with average temperatures around 27°C (82°F). However, August typically sees slightly higher maximum temperatures, peaking at 29°C (84°F), compared to November's 28°C (83°F). Precipitation levels are also similar, with August experiencing 101 mm over 16 days, while November has slightly less at 94 mm over 17 days. Humidity remains high in both months, but is marginally lower in November at 79%, compared to August's 82%. For a detailed look at November weather, you can visit Basseterre weather in November.
In August, the weather is characterized by slightly warmer temperatures, with a minimum of 25°C (77°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). The month experiences higher precipitation levels, totaling 101 mm (4.0 in) over 16 rainy days, and humidity remains high at 82%. In contrast, December sees milder temperatures, with a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of 28°C (82°F). Precipitation in December drops to 50 mm (2.0 in) over 17 days, and humidity levels decrease slightly to 78%. Overall, while both months are warm and humid, August tends to be wetter and slightly hotter than December. For more detailed information, you can check Basseterre weather in December.
As August sweeps into Basseterre, the weather transforms, bringing a unique blend of warmth and tropical splendor. With warmer temperatures hovering around a balmy average of 27°C, this month tends to be more humid, enveloping the island in a lush atmosphere. The rise in precipitation, with approximately 16 days of rain, contributes to the vibrant greenery that characterizes the landscape. While this might deter some from outdoor activities, the refreshing showers and higher humidity levels offer a distinct contrast to the drier months. For more detailed insights into the climate of this stunning destination, explore Basseterre Climate.