Last updated: January 18, 2025
Boa Vista, Cape Verde, boasts a BWh climate classification, characterized by a predominantly arid environment. The region experiences a minimum temperature of 18°C (65°F) in February, while hovering around an average of 23°C (75°F) throughout the year. The warmth peaks during October, with maximum temperatures reaching 31°C (87°F). This climatic profile plays a significant role in defining the island's unique ecosystems and influences local weather patterns, making it a fascinating study for climatologists and travelers alike.
Temperature patterns in Boa Vista, Cabo Verde, reflect a gentle transition throughout the year, characterized by warm and stable conditions. The year begins with mild temperatures in January, where minimums hold steady at around 18°C (66°F), gradually increasing in the following months. By mid-year, notably in August and September, the island experiences its warmest temperatures, with maximums peaking at 29°C (85°F) and reaching 30°C (86°F). As October approaches, there is a notable increase, with maximums hitting 31°C (87°F). However, temperatures begin to moderate again in November and December, returning to the lower twenties for average temperatures, which maintains a consistently pleasant climate. This cyclical pattern underscores the island's appeal as a year-round destination, combining both warmth and comfort.
Sal Rei experiences a mild climate, with February temperatures averaging a minimum of 18°C (65°F) and peaking at a maximum of 31°C (87°F) in October. For more detailed insights, you can explore the monthly temperatures in Sal Rei.
Precipitation in Boa Vista, Cabo Verde, is characterized by a predominantly dry climate, with minimal rainfall throughout most of the year. January to June experiences either zero or negligible amounts of rainfall, underscoring the island's arid conditions. The months of July and August introduce a slight increase in precipitation, marking the transition to the peak rainy season, with August recording the highest at 33 mm (1.3 in) over four days. This stark contrast highlights the island's annual variability in rainfall, creating a distinct dry spell followed by brief, concentrated periods of moisture.
Following the peak in August, the precipitation begins to taper off, with September also experiencing significant rainfall (28 mm or 1.1 in) over five days. October brings a further decline, yielding just 10 mm (0.4 in) in one day, with subsequent months seeing only sporadic rain, totaling 1 mm (0.1 in) in November and 2 mm (0.1 in) in December. This pattern emphasizes Boa Vista's dry climate, emphasizing how the majority of the annual rainfall is concentrated within just a few months, reinforcing the island's dry environment and shaping its ecosystems and water resources.
Sunshine duration in Boa Vista, Cabo Verde, showcases a marked seasonal trend characterized by an increase in hours from winter to summer. The year kicks off with 242 hours of sunshine in January, gradually rising in February and March, reaching 283 and 334 hours, respectively. The peak sunshine period emerges in late spring to early summer, with May boasting 355 hours of glorious sunshine. This pattern continues into June, where hours begin to moderate but still remain high at 334 hours, indicating that these months are ideal for sun-seekers looking to bask in abundant daylight.
As the summer months progress, the sunshine hours hold relatively steady, with August recording 336 hours, slightly higher than July's 326 hours. However, as the year transitions into autumn, there is a gradual decline in sunshine, with September and October offering 315 and 322 hours, respectively. By November and December, sunshine hours further diminish to 293 and 286 hours, reflecting the shift towards winter. Overall, while Boa Vista enjoys a wealth of sunshine year-round, the late spring and summer months unequivocally stand out, making them the most inviting for those seeking bright and sunny days.
The UV Index in Boa Vista, Cabo Verde, presents a considerable challenge for sun exposure, particularly during the spring and summer months when levels reach their pinnacle. Starting at a UV Index of 9 in January and rising to 10 in February, the region experiences very high levels of ultraviolet radiation. As the year progresses into March and April, the UV Index escalates to 12 and 13, respectively, categorizing these months as extreme. The burn time reduces significantly during this period, dropping to just 10 minutes, emphasizing the need for protective measures against skin damage.
Throughout the summer, the UV Index remains high, with consistent readings of 12 and 13 from July to September, compelling beachgoers and outdoor enthusiasts to exercise caution. Even as the year transitions into autumn and winter, the UV Index only slightly diminishes, reverting to 10 in November and 9 in December. These patterns underscore the importance of sun safety awareness year-round, especially during peak months, where short exposure times can lead to quick sunburn. Overall, Boa Vista's UV Index serves as a reminder for travelers to prioritize sun protection while enjoying the island's abundant sunshine.
UV Risk Categories
Daylight duration in Boa Vista, Cabo Verde, demonstrates a consistent annual pattern, with minimal fluctuation in the hours of daylight throughout the year. In the winter months of January and February, the island enjoys approximately 11 hours of daylight, setting a baseline that persists well into early spring. As March arrives, daylight begins to increase, reaching 12 hours and maintaining this amount through April and May, signaling a gradual transition toward the longer days of summer.
The longest daylight duration occurs in June, with 13 hours of sunlight, marking the peak of the year. Following this summer highlight, the hours begin to contract again, returning to 12 hours from July through September. October heralds a decrease to 11 hours as the year begins its shift towards winter, which stabilizes the daylight duration for the remaining months of November and December. This relatively stable daylight pattern enhances the island's appeal for outdoor activities, tourism, and exploration year-round, with ample time to enjoy its beautiful landscapes and climate.
Sal Rei, Cabo Verde enjoys a warm climate with temperatures ranging from a mild 18°C (64°F) in January to a peak of 31°C (87°F) in October. The dry season spans most months, with minimal precipitation—July and August experience the highest rainfall at 33 mm (1.3 in) and 28 mm (1.1 in) respectively. Sunshine is abundant, especially from May to August, where hours range between 326 to 355, providing a vibrant atmosphere year-round. The combination of warmth and ample sunshine makes Sal Rei an appealing destination. For more detailed information, visit Sal Rei climate.
In conclusion, Boa Vista, Cabo Verde, offers a remarkable climate characterized by warm temperatures, ample sunshine, and a predominantly dry environment. The distinct seasonal patterns observed in temperature, precipitation, UV Index, and daylight duration create an inviting atmosphere for visitors throughout the year. While the summer months boast peak temperatures and the highest UV exposure, they also present the longest daylight, allowing for extended outdoor enjoyment. Conversely, the brief rainy season and minimal precipitation throughout much of the year ensure that the island remains a sun-drenched destination. Overall, Boa Vista stands out not only for its captivating landscapes but also for its climate, making it a prime location for travelers seeking both relaxation and adventure in a sunny paradise.