Last updated: January 18, 2025
Saint George Basseterre, located in Saint Kitts and Nevis, presents a distinct Aw climate classification according to the Köppen-Geiger system. The region enjoys a warm tropical climate characterized by a minimum temperature of 22°C (72°F) in February, a comfortable average of 26°C (79°F) year-round, and a maximum temperature peaking at 29°C (85°F) in October. This mild temperature regime supports a vibrant ecosystem while making it an attractive destination for visitors seeking sun-soaked tranquility.
In Saint George Basseterre, the temperature experiences a consistent tropical rhythm throughout the year, marked by modest variations that showcase a warm climate. January begins with slightly cooler temperatures, with minimums around 23°C (73°F) and averages of 25°C (78°F). As the months progress into February and March, temperatures stabilize with minimums dipping to 22°C (72°F), while averages remain steady. The transition into late spring, notably in May, sees a gentle rise, reaching maximums of 28°C (82°F). The summer months of June through October feature peak temperatures, consistently hitting daily maximums of 29°C (84-85°F), accompanied by unwavering averages around 27°C (81°F). As autumn sets in, temperatures experience a slight decrease but maintain a comfortable range, creating an inviting climate for both residents and visitors year-round.
In Basseterre, temperatures in February dip to a minimum of 22°C (72°F), while they reach a maximum of 29°C (85°F) in October, reflecting the warm tropical climate of the region. For a detailed view of the monthly temperature variations, you can refer to monthly temperatures in Basseterre.
Precipitation in Saint George Basseterre exhibits a clear seasonal pattern, with rainfall increasing significantly during the summer and early autumn months. The year begins with relatively low precipitation levels, with January and February each receiving about 35 mm (1.4 in) of rainfall, gradually falling to 27 mm (1.1 in) in March. As spring transitions into summer, the region sees a noticeable uptick in rainfall, particularly in May, which averages 53 mm (2.1 in). June follows closely with 51 mm (2.0 in), paving the way for July's marked increase to 78 mm (3.1 in), indicating the onset of the wet season.
The peak of precipitation occurs in September, where an impressive 146 mm (5.7 in) is recorded, underscoring the region's vulnerability to heavy rains during this time. October also sees substantial rainfall at 112 mm (4.4 in), followed by a gradual decrease through November and December, which receive 94 mm (3.7 in) and 50 mm (2.0 in), respectively. Throughout the year, the number of rainy days fluctuates, with September experiencing the most at 20 days, and drier months like March having as few as 10 days, illustrating the significant impact of seasonal shifts on the region’s precipitation dynamics.
In Saint George Basseterre, the sunshine duration exhibits a pronounced seasonal trend, highlighting the region's appeal as a sun-soaked paradise. The year begins with a modest 261 hours of sunshine in January, gradually increasing to 302 hours in February. As spring sets in, sunshine hours continue to rise, peaking in May with a remarkable 358 hours. This upward trend reflects the island's transition from cooler winter months to the warmer summer season, where daylight becomes more abundant and vibrant.
The summer months of June through August represent the pinnacle of sunshine in Saint George Basseterre, with July leading the way at 362 hours. Although August sees a slight dip to 351 hours, it still remains among the sunniest months of the year. As autumn approaches, sunshine hours gradually decline, with September and October averaging 321 hours and 318 hours, respectively. Even with this decrease, December concludes the year on a high note with 326 hours, ensuring that residents and visitors alike can bask in the warm glow of sunshine throughout most of the year.
In Saint George Basseterre, the UV Index reveals a striking trend of extreme sun exposure throughout much of the year, particularly from February to October. Beginning with a UV Index of 9 in January, the index jumps to an extreme level of 11 in February, signaling a significant increase in harmful UV radiation. The intensity continues to rise, peaking at 13 during the months from March through August, highlighting the need for vigilant sun protection, as skin can burn within just 10 minutes of exposure during this period. Additionally, September records an even higher UV Index of 14, further underscoring the area’s potential risks from solar radiation.
As autumn approaches, the UV Index begins to decline, with October reflecting a slightly reduced level of 12, while November and December return to a UV Index of 9. This fluctuation calls attention to the varied sun safety strategies that residents and tourists alike should adopt year-round. While the initial months of the year experience lower but still significant UV levels, the extreme conditions from late winter through summer require heightened awareness to mitigate the risks of overexposure and skin damage.
UV Risk Categories
In Saint George Basseterre, daylight duration exhibits a consistent pattern throughout the year, characterized by gradual increases and slight fluctuations. Beginning with 11 hours of daylight in both January and February, the duration remains stable until March, when it extends to 12 hours. This increase continues through April and May, maintaining a length of 12 hours, signaling the transition from winter to the early summer months. June and July, the pinnacle of daylight hours, provide residents and visitors with 13 hours of sunlight, making it an ideal time for outdoor activities and exploration.
As summer transitions into autumn, daylight duration begins to retract, returning to 12 hours in August and September. This slight decrease continues into October, where daylight resumes at 11 hours. The trend remains consistent through November and December, reflecting the island's relatively constant daylight schedule despite seasonal shifts. This steady structure contributes to an inviting climate throughout the year, promoting a vibrant lifestyle and opportunities for sunlit enjoyment, regardless of the month.
Basseterre, Saint Kitts and Nevis enjoys a tropical climate with warm temperatures throughout the year, averaging between 25°C to 27°C (77°F to 81°F). The dry season occurs in the winter months, with precipitation peaking in September at 146 mm (5.7 in). Sunshine is abundant, offering up to 362 hours in July. Despite the rainfall, the island's warm temperatures and sunny days make it an attractive destination. For more detailed information, visit Basseterre climate.
In conclusion, Saint George Basseterre, Saint Kitts and Nevis, offers a remarkable climate characterized by vibrant sunshine, significant UV exposure, and consistent daylight hours throughout the year. With temperature patterns that transition from mild winter to the warmth of summer, the region supports an enticing environment for both residents and visitors. The high UV Index during peak months necessitates careful sun protection, while the extended daylight duration enhances outdoor experiences. Together, these climatic features create a unique tropical paradise that invites exploration, adventure, and relaxation under the sun.