Last updated: January 18, 2025
The climate of Barbuda, part of Antigua and Barbuda, is classified under the Köppen-Geiger system as Af, indicating a tropical rainforest climate characterized by consistently warm temperatures and high humidity. Throughout the year, minimum temperatures hover around 22°C (72°F) in February, while the average temperature remains a balmy 26°C (80°F). Peak temperatures reach up to 29°C (85°F) in October, reflecting the island's warm and stable climate that's ideal for both residents and visitors. This tropical environment nurtures a rich biodiversity and offers a unique ecosystem vital to the region's environmental balance and tourism.
In Barbuda, temperature patterns exhibit subtle seasonal variations characterized by consistently warm conditions throughout the year. January marks the arrival of slightly cooler temperatures, with minimums around 23°C (74°F) and maximums reaching up to 27°C (80°F). As the months progress towards the hotter summer season, minimum temperatures gradually rise, peaking at 25°C (77°F) in July and August, while maximums often reach 29°C (84°F). The transition from the cooler months to the warmer summer highlights a mild climatic range, with average temperatures consistently oscillating between 25°C (77°F) and 28°C (83°F). By October, the trend holds steady, with temperatures remaining pleasantly warm, suggesting a stable tropical climate ideal for outdoor activities. This pattern fosters a vibrant ecosystem and supports the island's appealing tourism environment.
In Codrington, temperatures vary moderately throughout the year, with a minimum of 22°C (72°F) in February and a maximum of 29°C (85°F) in October. This pleasant climate makes Codrington an appealing destination for those who enjoy warm weather year-round. For more detailed monthly temperature information, visit monthly temperatures in Codrington.
Barbuda experiences a distinct seasonal pattern in precipitation, marked by a relatively dry start to the year. In the initial months, from January to March, rainfall is minimal, with January and February averaging around 34 mm (1.4 in) and 33 mm (1.3 in) respectively, accompanied by fewer rainy days. This trend shifts dramatically by the onset of the Caribbean wet season, as May and June bring increased precipitation, hitting 43 mm (1.7 in) and 49 mm (1.9 in) respectively. The summer months see a further rise, with July and August experiencing increased rainfall, peaking at 84 mm (3.3 in) in August, indicating a significant uptick in storm activity.
The height of the rainy season occurs in September, where precipitation reaches its annual peak at an impressive 149 mm (5.8 in) over 21 days, followed closely by October with 112 mm (4.4 in). November sees a gradual reduction in rainfall to 96 mm (3.8 in), as the region transitions back to drier conditions by December, with 48 mm (1.9 in). This pattern reflects the tropical climate's influence, underscoring the importance of these seasonal shifts for local agricultural practices and water resource management.
In Barbuda, the sunshine duration exhibits a remarkable seasonal trend, showcasing a steady increase from winter to summer. Starting with 261 hours of sunshine in January, the island experiences gradual growth, culminating in 348 hours in March as spring approaches. This upward trajectory continues into April and May, where sunshine peaks at an impressive 359 hours. The summer months are particularly generous in sunlight, with July leading the way at 362 hours, illustrating the abundant and bright conditions typical of the region during this time.
As the seasons transition from summer to autumn, sunshine hours begin to taper slightly but remain substantial. **August sees a close 353 hours, followed by September and October with 322 hours and 318 hours, respectively. Despite this decline, the months remain sunnier than the winter, emphasizing Barbuda's consistently favorable climate. By November and December, the sunshine duration averages 308 hours and 324 hours, respectively, maintaining a pleasant atmosphere even as the year draws to a close. This trend highlights the island's appeal as a year-round destination, with peak sunshine in the summer months providing ideal conditions for outdoor activities and tourism.
In Barbuda, the UV Index presents a striking seasonal pattern that reflects the intensity of solar radiation throughout the year. The index peaks during the core summer months, with readings reaching an extreme 13 from March through September, indicating a critical level of sun exposure risk. This significant UV intensity corresponds to a minimal burn time of 10 minutes, emphasizing the need for sun protection during outdoor activities. February also sees a notably high index of 11, transitioning rapidly from the very high category in January, which has a slightly lower UV Index of 9 and a burn time of 15 minutes.
As the year progresses into autumn and winter, the UV Index begins to decline but remains significant. By October, it drops to 12, still classified as extreme but indicating a shift towards lower sun exposure risks. In November, the index returns to 9, and by December, it eases further to 8; both months are categorized as very high. This gradual decrease suggests a reduction in UV radiation as the rainy season approaches, offering some relief for sun-sensitive individuals while still maintaining a need for protective measures during outdoor activities.
UV Risk Categories
In Barbuda, daylight duration displays a gentle rhythmic pattern throughout the year, beginning with a consistent 11 hours in both January and February. As spring unfolds in March, the island enjoys slightly longer days, extending to 12 hours. This increase in daylight persists through April and May, offering residents and visitors ample time to bask in the sun’s warmth. The summer months further enhance this trend, peaking in June and July with 13 hours of daylight, allowing for prolonged outdoor activities and exploration of the island's natural beauty.
As summer transitions into autumn, daylight hours begin to recede gradually. August maintains a robust 12 hours of daylight, consistent with the prior spring and early summer months. However, by October, the daylight duration reverts to 11 hours, followed by November and December, further solidifying a return to shorter days. This cyclic pattern of daylight hours reflects the island’s tropical climate, contributing to the allure of Barbuda as a year-round destination, where natural light beautifully accompanies the vibrant outdoor culture and lifestyle.
Codrington, Antigua and Barbuda, experiences a tropical climate characterized by warm temperatures year-round. Monthly average temperatures range from 25°C (77°F) in January to 28°C (82°F) in September, with highs peaking at 29°C (84°F) in July and August. Rainfall is heaviest from August to October, particularly in September, which sees an average of 149 mm (5.8 in). The region enjoys significant sunshine throughout the year, with May and July receiving the most hours at 359 and 362, respectively. For more details, visit Codrington climate.
In conclusion, Barbuda's climate is characterized by its warm temperatures, ample sunshine, and notable UV intensity, making it an attractive destination for those seeking a tropical experience. The seasonal variations in precipitation and daylight duration further enrich the island's natural beauty, providing a vibrant atmosphere year-round. With peak sunshine and extensive daylight hours during the summer months, visitors can fully enjoy outdoor adventures and the island’s breathtaking scenery. However, the high UV Index, particularly in spring and summer, serves as a reminder for everyone to take necessary precautions while indulging in the sun’s warmth. Overall, Barbuda's climate combines to create a captivating environment for both residents and tourists alike, emphasizing the importance of understanding and respecting nature’s rhythms.