Last updated: January 18, 2025
São Miguel, Cabo Verde, exhibits a BWh climate classification characterized by a warm semi-arid environment. The temperature fluctuates throughout the year, with a minimum of 18°C (65°F) typically recorded in February, culminating in an average of 23°C (74°F). The peak warmth is observed in August, where temperatures can soar to a maximum of 28°C (84°F). This climatic pattern fosters a unique ecosystem, making São Miguel a notable point of interest for both climate enthusiasts and travelers alike.
In São Miguel, Cabo Verde, temperature patterns reveal a clear seasonal progression throughout the year. The island experiences mild winter months from January to March, with minimum temperatures ranging from 18°C to 19°C (65°F to 66°F) and averages around 21°C to 22°C (70°F to 72°F). As spring transitions into summer, temperatures gradually rise, peaking in August with maximums reaching 28°C (84°F), reflecting the hottest period of the year. The months of September and October maintain these warm conditions, with average temperatures consistently around 26°C (79°F). As autumn gives way to winter, temperatures begin to cool slightly, dropping back to the low twenties by December, thus creating a climate that remains pleasantly warm year-round.
Calheta experiences a mild climate, with February temperatures typically ranging from a minimum of 18°C (65°F) to a peak of 28°C (84°F) in August. This pleasant temperature range makes it an attractive destination year-round. For more detailed monthly temperatures, visit monthly temperatures in Calheta.
Precipitation in São Miguel, Cabo Verde, is minimal throughout much of the year, with the majority of months registering less than 3 mm (0.1 in) of rainfall. January through June sees particularly dry conditions, with January, February, March, April, May, and June receiving negligible amounts, often just 1 to 2 mm (0.0 to 0.1 in), and no recorded rainy days. This extended dry spell establishes a stark contrast to the later months, as the island transitions into its wetter season.
The late summer and early autumn months of August and September mark a significant shift in precipitation patterns, with August receiving 45 mm (1.8 in) and September surging to 62 mm (2.4 in)—the highest recorded during the year. These months also see an increase in rainy days, with August experiencing approximately 6 days of rain and September 8 days. Following this peak, October experiences a decrease to 13 mm (0.5 in), while November and December return to largely dry conditions, concluding the year's precipitation cycle with merely 2 mm (0.1 in) in each month.
In São Miguel, Cabo Verde, sunshine duration exhibits a clear seasonal trend, with a notable increase from winter to summer. Starting the year with 242 hours of sunshine in January, the island experiences a steady rise, culminating in 339 hours in April and peaking at 355 hours in May, making it one of the sunniest months of the year. This consistent gain in sunlight reflects the transition from the cooler, cloudier months of winter towards the warmer, more vibrant spring, providing an inviting atmosphere for both residents and visitors.
As summer approaches, the sunshine hours remain relatively high, with June, July, and August maintaining around 330 to 335 hours of bright conditions. However, the onset of autumn signals a gradual decrease in daylight, with September experiencing 313 hours of sunshine, followed by a slight recovery in October at 322 hours. By November and December, sunshine hours taper off again to 290 and 287 hours, respectively, marking the end of the year with significantly shorter days. This annual cycle of sunshine not only showcases the island's climatic appeal but also highlights the influence of seasonal changes on daily life and tourism.
The UV Index in São Miguel, Cabo Verde, reveals significant seasonal variations, with values predominantly categorized as very high to extreme throughout the year. Starting with a UV Index of 9 in January, the region experiences relatively intense sun exposure. As the year progresses into February, the UV Index escalates to an alarming 11, marking the transition into extreme levels of solar radiation. This trend continues into March and April, where the index reaches a peak of 13, indicating that sun protection measures become crucial, as the recommended burn time decreases to just 10 minutes.
Summer months maintain this extreme level of exposure, with the UV Index remaining at 12 or higher from May through October, peaking at 14 in September. Such consistently high UV levels necessitate caution, particularly for outdoor activities, as the potential for skin damage is pronounced. By late autumn and into winter, the UV Index slightly decreases, returning to 10 in November and 9 by December, yet still requiring awareness and protective measures. Overall, the year's UV Index reflects a region with intense sunshine, emphasizing the importance of sun safety and protection for both residents and visitors alike.
UV Risk Categories
Daylight duration in São Miguel, Cabo Verde, exhibits a relatively stable pattern throughout the year, with minor fluctuations defining the seasons. January and February see approximately 11 hours of daylight, providing ample time for outdoor activities despite the shorter days. As spring approaches in March, daylight increases to 12 hours, a trend that persists through the summer months. This consistent availability of sunlight allows residents and visitors to engage in a variety of pursuits, from exploring the natural beauty of the island to enjoying its vibrant culture.
As the calendar shifts into autumn, daylight duration begins to taper off, returning to 11 hours in October and remaining consistent through November and December. Despite the slight reduction in daylight as the year comes to a close, the overall stability of daylight duration in São Miguel fosters a favorable environment for year-round activities. This reliability in sunshine underscores the island's appeal, providing a beautiful backdrop for both relaxation and adventure, regardless of the season.
Calheta, Cabo Verde, enjoys a warm and sunny climate with temperatures ranging from 18°C (65°F) in February to a maximum of 28°C (84°F) in August. The area experiences low annual precipitation, peaking in September with 62 mm (2.4 in), while the rest of the year remains relatively dry, often recording less than 6 mm (0.2 in) monthly. Sunshine is abundant, especially in May with 355 hours, ensuring plenty of clear skies throughout the year. For more detailed information on the weather patterns, visit Calheta climate.
In conclusion, São Miguel, Cabo Verde, presents a unique climate characterized by warm temperatures, minimal precipitation, abundant sunshine, and high UV exposure, creating an inviting environment for both residents and tourists. The consistent daylight hours throughout the year enhance the island's appeal, allowing for a range of outdoor activities and cultural experiences. As seasonal shifts occur, a careful approach to sun safety becomes increasingly important, particularly during the months with extreme UV indices. Overall, the island's climatic attributes not only contribute to its ecological richness but also provide a vibrant landscape that is enjoyed year-round.