Last updated: January 18, 2025
Saint George, Antigua and Barbuda, exhibits a tropical rainforest climate classified as Köppen-Geiger Af, characterized by consistently high temperatures throughout the year. The minimum temperature typically hovers around 22°C (72°F) in February, with an average temperature of 26°C (80°F). The warmest month is October, where temperatures can peak at 29°C (85°F), creating a warm and inviting environment that supports lush vegetation and a vibrant ecosystem.
In Saint George, Antigua and Barbuda, temperature patterns reflect a consistent warmth throughout the year, with minimal seasonal variation. The year begins with mild temperatures in January, with minimums around 23°C (73°F) and average highs of 27°C (80°F), gradually transitioning to slightly warmer conditions by April, where average temperatures stabilize at approximately 25°C (78°F). As the summer months approach, temperatures rise steadily, peaking in September and October with maximums reaching up to 29°C (85°F). The subtropical climate maintains average temperatures between 25°C (77°F) and 27°C (81°F) for most of the year, ensuring it remains an inviting destination with a pleasant warmth that draws visitors year-round.
Piggotts and Carlisle share similar climate patterns, with both locations experiencing a minimum temperature of 22°C (72°F) in February and a maximum of 29°C (85°F) in October. For more detailed monthly temperatures in Piggotts, visit monthly temperatures in Piggotts, and for Carlisle, check monthly temperatures in Carlisle.
Saint George, Antigua and Barbuda experiences a distinct seasonal pattern in precipitation, with rainfall levels increasing through the year, leading to a peak during the wettest months of September and October. January begins the year with relatively low precipitation, averaging 34 mm (1.3 in) over about 12 days, while February sees a slight increase to 36 mm (1.4 in). By the time May arrives, rainfall intensifies, reaching 48 mm (1.9 in), and this trend continues into the summer months of July and August, with July recording 80 mm (3.1 in) and August rising to 93 mm (3.7 in).
The most substantial rainfall occurs in September, with an impressive 138 mm (5.4 in) over approximately 20 days, marking it as the peak wet month. This high level of rainfall is followed by 108 mm (4.3 in) in October, and November maintains substantial precipitation at 94 mm (3.7 in). The year concludes with a decrease in rainfall during December, averaging 50 mm (2.0 in), while the overall climate remains characterized by its tropical downpours and relatively high humidity throughout the year.
In Saint George, Antigua and Barbuda, sunshine duration displays a notable seasonal pattern, with hours of sunlight steadily increasing from winter through summer. The year kicks off with 262 hours of sunshine in January but quickly gathers momentum as February brings 302 hours. By March, the trend becomes more pronounced, as the island basks in 348 hours of sunshine, and the month of May reaches an impressive 357 hours. This gradual escalation culminates in July, which shines brightest, boasting a remarkable 361 hours of sunshine. The consistency of sunny days during this period accentuates the tropical allure of the region.
As summer transitions into autumn, sunshine hours begin a moderate decline but remain robust. August sees 352 hours of bright skies, followed by a decrease to 321 hours in September and 318 hours in October. The tail end of the year holds onto ample sunlight, with November providing 308 hours and December closing out the year with 325 hours. This sustained level of sunshine throughout the year highlights Saint George as a prime destination for sun-seekers, with the peak sunshine months showcasing the region’s lure as a vibrant retreat.
The UV Index in Saint George, Antigua and Barbuda presents a clear indication of the sun's potency throughout the year, with levels often categorized as very high to extreme. In January, the UV Index begins at 9, which is classified as very high, allowing for a maximum exposure time of 15 minutes before burns may occur. This pattern shifts dramatically in February when the Index peaks at 11, entering the extreme category, and remains at this level in March and April, where exposure times drop to just 10 minutes. The extreme UV conditions persist through late spring and summer, with July showing the highest Index of 14, necessitating careful sun protection measures.
As the year progresses towards autumn, the UV Index slightly declines but still remains on the extreme end of the spectrum. August to September maintains an Index of 13, while October sees a slight decrease to 12. By November and December, the UV Index returns to 9, marking a return to very high levels, but with longer safe exposure times at 15 minutes. These consistent high UV levels throughout the year underscore the importance of adopting sun safety practices, particularly during peak months, ensuring that both locals and visitors can enjoy the tropical sun without health risks.
UV Risk Categories
Daylight duration in Saint George, Antigua and Barbuda exhibits a consistent rhythm throughout the year, with minimal fluctuations marking the transition between seasons. January and February offer approximately 11 hours of daylight, providing ample light for both residents and visitors. As the spring months arrive, daylight begins to extend, reaching 12 hours in March and sustaining this level through April and May. This gradual increase is indicative of the approaching summer, which offers slightly longer days.
The summer months of June and July are the brightest, with daylight extending to 13 hours, allowing for generous periods of outdoor activities and enjoying the sunshine. As summer transitions into autumn, daylight duration slightly retracts, returning to 12 hours in August and September. By October, the daylight shortens again to 11 hours, a trend that continues through the remaining months of the year. This steady pattern maintains a tropical feel year-round, ensuring that Saint George remains a vibrant destination for sun-seekers and nature enthusiasts alike.
Carlisle, Antigua and Barbuda, experiences a warm tropical climate characterized by mild temperatures and distinct wet and dry seasons. Monthly average temperatures range between 25°C (77°F) and 28°C (82°F), with the warmest months being July and August. Rainfall is heaviest from July to September, peaking at 133 mm (5.2 in) in September, while the driest months are typically January to March. Sunshine is abundant, with the sunniest month being May, which boasts 357 hours of sunlight. For more details, visit Carlisle climate.
The climate in Piggotts, Antigua and Barbuda is characterized by warm temperatures and moderate precipitation throughout the year. Average monthly temperatures range from 25°C (77°F) in cooler months to around 28°C (82°F) in the warmer months. Rainfall peaks from July to September, with September receiving the highest average precipitation at 144 mm (5.7 in). Sunshine is abundant, particularly in March and May, which boast up to 357 hours of sunlight. For more detailed information, visit Piggotts climate.
In conclusion, Saint George, Antigua and Barbuda, offers a remarkable climate characterized by tropical warmth, ample sunshine, and significant UV exposure throughout the year. With temperatures consistently hovering between the mid-20s to high-20s°C, residents and visitors enjoy a welcoming environment complemented by an average of 11 to 13 hours of daylight depending on the season. The region's seasonal trends reveal a clear progression from a mild winter to a sun-filled summer, with peak UV Index levels demanding vigilant sun safety measures. Coupled with these climatic elements, the consistent precipitation patterns highlight the vibrant ecosystems thriving in this Caribbean paradise, making Saint George an attractive year-round destination for outdoor activities and exploration.