Last updated: January 18, 2025
Santiago de Cuba experiences a distinct Aw climate classification according to the Köppen-Geiger system, characterized by a tropical savanna climate. The region enjoys a mild winter with temperatures dropping to a minimum of 12°C (54°F) in January, while average annual temperatures hover around a comfortable 26°C (79°F). The warmest month, July, can see daily maximums soaring to a striking 36°C (97°F), illustrating the climatic extremes experienced throughout the year. This combination of seasonal temperature variations contributes to the vibrant ecosystem and the rich biodiversity found in and around Santiago de Cuba.
In Santiago de Cuba, temperature patterns exhibit a clear seasonal trend, marking a transition from cooler winter months to the sweltering heat of summer. January begins with lower temperatures, where minimums drop to 12°C (54°F) and average around 24°C (75°F), gradually rising through February and March, with maximums climbing to 33°C (91°F) by March. As spring unfolds, temperatures continue to escalate, peaking in the summer months of July and August, which present maximums of 36°C (97°F) and an average of around 28°C (82°F). The return to fall sees a slight easing, yet temperatures remain warm, with averages of 25°C (78°F) in November, followed by December's cooling but still mild conditions averaging 24°C (76°F). Throughout the year, Santiago de Cuba maintains a tropical climate with consistent warmth, punctuated by mildly cooler winter temperatures.
In Santiago de Cuba, temperatures range from a minimum of 15°C (60°F) in January to a maximum of 33°C (92°F) in September, mirroring the climate patterns found in El Cobre, where the temperature also fluctuates between the same extremes. For more detailed information on these temperature ranges, visit monthly temperatures in Santiago de Cuba and monthly temperatures in El Cobre.
Precipitation in Santiago de Cuba follows a distinct seasonal pattern, with the driest months occurring early in the year. January and February record the lowest rainfall, with only 21 mm (0.8 in) and 17 mm (0.7 in) respectively, typically accompanied by minimal rainfall days—4 days in January and 2 days in February. As spring approaches, precipitation begins to increase, notably in March where 32 mm (1.2 in) falls over 6 days, paving the way for more significant rainfall in April leading into the summer months.
The rainy season peaks in May, witnessing a dramatic surge to 165 mm (6.5 in) over 19 days, marking the start of the most humid period of the year. This trend continues through September, where rainfall reaches its annual maximum of 129 mm (5.1 in) over 20 days. The onset of the cooler months in October and November still retains decent precipitation levels of 123 mm (4.8 in) and 88 mm (3.5 in) respectively, maintaining Santiago de Cuba’s lush landscapes even into the drier months of December, which sees a sharp reduction in rainfall to 31 mm (1.2 in).
In Santiago de Cuba, the duration of sunshine reveals a clear seasonal pattern, reflecting the region's tropical climate. The year begins with relatively lower sunshine hours in January at 246 hours, gradually building momentum as spring approaches. February sees an increase to 304 hours, and by March, sunshine peaks at 343 hours. This upward trend continues into the summer months, reaching a maximum of 358 hours in July, the sunniest month of the year. The consistency of bright days during these warmer months not only enriches the local culture and outdoor activities but also plays a crucial role in agriculture and energy production.
As summer transitions into fall, sunshine hours begin to taper slightly, with September recording 323 hours and October dropping to 315 hours. The months of November and December, while still providing a decent amount of sunshine at 291 hours and 312 hours respectively, indicate a gradual return to longer evenings. Overall, the data illustrates that Santiago de Cuba enjoys plentiful sunshine year-round, with peak hours occurring from late spring to mid-summer, emphasizing the importance of sunlight to the region's landscape and lifestyle.
The UV Index in Santiago de Cuba exhibits significant variability throughout the year, with values consistently indicating high to extreme levels of solar radiation. Starting in January, the index stands at 9, categorized as very high, with a short burn time of just 15 minutes. As the year progresses, the UV Index escalates sharply, peaking at 13 from April through September, where exposure risks are classified as extreme. During this period, individuals are advised to limit sun exposure to a mere 10 minutes to avoid skin damage, highlighting the critical importance of sun protection measures in the tropical climate.
As the sun's intensity begins to wane toward the end of the year, the UV Index decreases to 11 in October and falls further to 9 in November, returning to very high levels. By December, it reaches 8, still warranting caution during sun exposure. This seasonal trend underscores the necessity for residents and visitors alike to remain vigilant about UV protection, especially during the summer months when UV radiation is most potent. Adhering to safety practices can significantly mitigate the risks associated with prolonged sun exposure in this vibrant coastal city.
UV Risk Categories
In Santiago de Cuba, daylight duration exhibits a distinct seasonal rhythm, with variations that reflect the region's tropical latitude. At the start of the year, both January and February enjoy approximately 11 hours of daylight each, providing a stable yet relatively shorter exposure to natural light. As spring arrives in March and April, daylight hours gradually increase to 12 hours, allowing residents and tourists more time to engage in outdoor activities in the warming weather.
The summer months of May, June, and July bring the most daylight, each boasting 13 hours of bright sun, which enhances opportunities for exploration and relaxation. As August transitions into fall, daylight decreases slightly to 12 hours, followed by a gradual decline in September and October, where it returns to 11 hours. By December, daylight drops to 10 hours, indicating the shortest days of the year. This cyclical pattern showcases the balance of sunlit hours in Santiago de Cuba, contributing to the region's vibrant lifestyle throughout the seasons.
El Cobre, Cuba experiences a tropical climate characterized by warm temperatures and varying rainfall throughout the year. Average temperatures range from 24°C (76°F) in January to 28°C (82°F) in July and August, with maximum temperatures reaching up to 33°C (91°F). The area sees significant rainfall from May to October, with May and October recording the highest averages at 133 mm (5.2 in), while the dry months of January and February receive only 14 mm (0.6 in) and 17 mm (0.7 in) respectively. Sunshine is abundant, particularly in the summer months, with July boasting about 360 hours of sunshine. For more information, visit El Cobre climate.
Santiago de Cuba experiences a tropical climate characterized by warm temperatures and variable rainfall throughout the year. Temperature averages range from a mild 24°C (76°F) in January to a peak of about 28°C (82°F) in the summer months. Precipitation is highest in May (140 mm) and gradually decreases towards the end of the year, with the wettest months being from May to October. Sunshine is abundant, with July receiving the most at 361 hours, ensuring plenty of bright days. For more details, visit Santiago de Cuba climate.
In conclusion, Santiago de Cuba's climate, characterized by a tropical savanna classification, presents a rich tapestry of weather patterns, from temperature fluctuations and significant sunshine hours to varying UV indices and daylight durations. With warm temperatures and ample sunshine throughout the year, particularly in the summer months, the region thrives in its vibrant outdoor culture and diverse ecosystems. As residents and visitors navigate the environmental rhythms, understanding these climatic factors—especially the high UV levels during peak sunshine hours—becomes essential for health and recreation. Ultimately, Santiago de Cuba offers an inviting atmosphere that highlights the beauty and intensity of tropical living, emphasizing the importance of embracing nature while adhering to safety measures under its radiant sun.