Last updated: January 18, 2025
Saint Peter Basseterre, located in the picturesque Saint Kitts and Nevis, exhibits a tropical savanna climate classified under the Köppen-Geiger system as Aw. The region experiences a mild temperature range, with February recording a minimum of 22°C (72°F). Averaging at a comfortable 26°C (79°F) throughout the year, the warmest months peak in October with a maximum of 29°C (85°F). This consistent warmth, coupled with distinct seasonal variations, creates an inviting environment for both locals and tourists, contributing to the area’s vibrant ecosystems and picturesque landscapes.
In Saint Peter Basseterre, the temperature patterns display a consistent warmth throughout the year, with slight seasonal variations that enhance the region's tropical allure. Beginning the year, January and February register minimums of around 22-23°C (72-73°F), with averages hovering near 25°C (77°F). As the months progress into the late spring and summer, temperatures gradually rise, peaking in July to October when maximums reach 29°C (84-85°F). The warmest months are characterized by steady average temperatures of 27-28°C (81-82°F), while nighttime lows remain comfortably above 24°C (75°F). This gentle seasonal shift cultivates a pleasant climate, creating ideal conditions for outdoor activities and the region’s lush biodiversity year-round.
Monkey Hill experiences a temperate climate, with February temperatures reaching a minimum of 22°C (72°F) and peaking at a maximum of 29°C (85°F) in October. For detailed monthly temperature data, visit monthly temperatures in Monkey Hill.
Saint Peter Basseterre experiences a distinct rainfall pattern characterized by a wet season that intensifies during the mid to latter months of the year. January and February bring moderate precipitation of 35 mm (1.4 in), while March sees a slight decline to 27 mm (1.1 in). The onset of late spring in May marks a shift, as rainfall increases to 53 mm (2.1 in), leading into June's average of 51 mm (2.0 in). This upward trend becomes particularly pronounced in the summer months, with July receiving 78 mm (3.1 in), and August peaking at 101 mm (4.0 in).
As the year progresses, September emerges as the wettest month, recording a substantial 146 mm (5.7 in) of rainfall, which can be attributed to the prevalent tropical storms during this time. This is closely followed by October's 112 mm (4.4 in) and November's 94 mm (3.7 in), sustaining the elevated levels of precipitation. On average, rain falls on approximately 14 to 20 days each month, with September being the rainiest in terms of days with precipitation. This pattern underscores a tropical climate that supports lush ecosystems while highlighting the variability in rainfall throughout the year.
In Saint Peter Basseterre, the sunshine duration exhibits a remarkable seasonal trend characterized by a steady increase from winter into summer. Starting the year, January records 261 hours of sunshine, which gradually ascends to 302 hours in February. This upward trajectory continues into the spring, peaking in March with an impressive 351 hours, followed closely by April at 347 hours and May at 358 hours. This period marks an inviting transition toward sunnier days, appealing to both tourists and locals alike as they bask in the warm glow of the sun.
The summer months bring even more sunshine to the region, with July emerging as the standout month at 362 hours. As the season progresses into August, the sunshine remains plentiful at 351 hours, before gradually tapering off in September to 321 hours. Despite this slight decline, the sunny disposition continues into the autumn months, with October and November still showcasing respectable figures of 318 hours and 308 hours, respectively. This consistent availability of sunlight not only enhances the climate’s tropical appeal but also supports the flourishing biodiversity that defines the landscape of Saint Kitts and Nevis.
In Saint Peter Basseterre, the Ultraviolet (UV) Index reveals a striking seasonal pattern, with values indicating a high level of sun exposure throughout most of the year. January kicks off with a UV Index of 9, categorized as very high, setting the tone for elevated sun safety measures. As the year progresses into February, the index peaks at 11, which falls into the extreme category, and remains consistently high in March through July, where it reaches a maximum of 13. These months indicate an urgent need for protection, as burn times decrease to just 10 minutes in these conditions, emphasizing the importance of sun safety during this period.
The intensity of UV radiation begins to slightly decrease as summer transitions into autumn. September sees the highest recorded UV Index of 14, denoting an extreme need for protective measures once again. Following this peak, figures gradually decline to 12 in October and revert to a UV Index of 9 in both November and December, marking the return to very high exposure levels. Throughout the year, sunburn risk is prevalent, necessitating vigilant sun protection practices, especially during peak UV Index months, making it crucial for residents and visitors to be well-informed and prepared.
UV Risk Categories
In Saint Peter Basseterre, the daylight duration remains fairly consistent throughout the year, with only slight variations that reflect the tropical climate's characteristics. During the winter months of January and February, the island enjoys approximately 11 hours of daylight each day, providing a balanced environment for outdoor activities. As spring approaches, March, April, and May witness a gradual increase, reaching around 12 hours of daylight. This steady accumulation of light contributes to the lush growth and vibrant ecosystems for which the region is renowned.
The trend continues into the summer months of June and July, where daylight reaches its peak at 13 hours, showcasing the longest days of the year. However, as summer transitions into autumn, the daylight hours begin to taper off, returning to 12 hours in August and September before declining back to 11 hours in October, November, and December. This slight fluctuation in daylight duration allows for a rich variety of experiences year-round, from sun-soaked beach days to serene evenings under the stars, enhancing the overall charm of life in Saint Kitts and Nevis.
The climate in Monkey Hill, Saint Kitts and Nevis, features warm temperatures averaging between 25°C (78°F) and 27°C (81°F) throughout the year, peaking during the summer months. Rainfall is heaviest from August to October, with September receiving the most precipitation at 146 mm (5.7 in). The region enjoys abundant sunshine, especially in March and May, which see over 350 hours of sunlight. For more detailed information, visit Monkey Hill climate.
In conclusion, the climate and environmental patterns of Saint Peter Basseterre, Saint Kitts and Nevis, showcase a vibrant and inviting tropical ecosystem that is shaped by its seasonal variations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. With consistently warm temperatures and ample sunshine throughout the year, the region offers an attractive setting for both residents and visitors. However, the extreme UV Index during peak months and the significant rainfall during the latter part of the year highlight the importance of sun safety and awareness of climatic changes. Overall, the dynamic interplay of these climatic factors not only emphasizes Saint Peter Basseterre's natural beauty but also underscores the need for responsible engagement with its unique environment.