Porto Novo Climate

Last updated: January 18, 2025

Porto Novo, located in Cabo Verde, exhibits a BWh climate classification according to the Köppen-Geiger system, characterized by a hot semi-arid climate. Throughout the year, temperatures demonstrate a moderate range, with a minimum of 17°C (64°F) recorded in February, an average temperature of 22°C (72°F), and peaks reaching 27°C (80°F) in October. This climatic profile underscores Porto Novo's warm, dry conditions, making it a notable destination for those seeking a mild tropical atmosphere year-round.

Porto Novo temperature by month

In Porto Novo, Cabo Verde, temperature patterns exhibit a clear seasonal trend characterized by gradual warming throughout the year. The winter months from January to March experience cooler conditions, with minimum temperatures around 17°C-18°C (64°F) and average values peaking at 20°C (68°F). As spring approaches in April and May, temperatures begin to rise slightly, with averages reaching 21°C (70°F) in May. The summer months, particularly June through August, show a notable increase, with maximum temperatures ascending to 25°C (77°F) in July and averaging 24°C (75°F) in August. Following this peak, temperatures remain warm into September and October, with averages reaching up to 27°C (80°F). By November and December, the climate cools slightly, yet remains relatively mild, characterized by averages around 21°C-23°C (71°F-74°F). This consistent warmth and minimal temperature variation highlight Porto Novo's stable semi-arid climate, making it an appealing destination year-round.

Monthly Temperatures in Porto Novo, Cabo Verde

The chart illustrates Porto Novo's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec696867687071727577767471
Data source: Porto Novo temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

Porto Novo experiences a mild climate, with temperatures ranging from a minimum of 17°C (64°F) in February to a maximum of 27°C (80°F) in October. This variation makes it an appealing destination for visitors seeking pleasant weather throughout the year. For more detailed information, you can refer to the monthly temperatures in Porto Novo.

Precipitation Patterns in Porto Novo

Precipitation in Porto Novo, Cabo Verde, is characterized by a distinct dry season with minimal rainfall, particularly notable from January to June. During these months, the city experiences remarkably low precipitation, with January recording merely 1 mm (0.1 in) and February slightly increasing to 7 mm (0.3 in). March and April each see only 3 mm (0.1 in) and 1 mm (0.1 in), respectively, while May and June remain almost dry, contributing just 1 mm and 2 mm of rain. Notably, rainfall during this period occurs infrequently, with no significant rainy days recorded until July.

As summer progresses, precipitation begins to rise significantly, peaking in August and September. August experiences the highest rainfall of the year at 24 mm (1.0 in), coinciding with 5 rainy days, while September sees an even greater accumulation of 37 mm (1.5 in), with similar rainfall frequency. Following this peak, October to December experiences a decline, with October registering 6 mm (0.2 in), November 4 mm (0.2 in), and December 5 mm (0.2 in). This pattern illustrates Porto Novo's reliance on a short rainy season, characterized by concentrated precipitation in late summer and early fall, contrasting sharply with the arid conditions that prevail for much of the year.

Monthly Average Precipitation in Porto Novo, Cabo Verde

The average monthly precipitation in Porto Novo, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27311282437645
Data source: Porto Novo precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Porto Novo

Porto Novo, Cabo Verde, basks in abundant sunshine throughout the year, with a notable seasonal trend of increasing daylight hours as winter transitions into spring and summer. The year begins with 238 hours of sunshine in January, which gradually rises to 272 hours in February. By March, the sunshine hours reach 324, continuing to climb until they peak in May at 349 hours. This clear increase showcases the region's shift toward sunnier days leading into the summer months, setting a vibrant backdrop for outdoor activities and exploration.

As summer unfolds, sunshine duration remains impressively high, with hours hovering around 323 to 338 hours from June through August, demonstrating a consistent abundance of sunlight. Post-summer, the trend of reducing sunlight begins in September, dropping slightly to 320 hours, followed by 321 hours in October. The sunlit hours taper to 296 hours in November and 283 hours in December, yet these figures still reflect a relatively sunny winter compared to many other regions. Overall, Porto Novo's climate favors those who revel in sunshine, making it an appealing destination for sun-seekers year-round.

Monthly Sunshine in Porto Novo, Cabo Verde

Monthly sunshine duration represents the total hours of direct sunlight Porto Novo receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec238h272h324h328h349h323h326h338h320h321h296h283h
Data source: Porto Novo sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Porto Novo UV Index Trends

In Porto Novo, Cabo Verde, the UV Index exhibits a striking seasonal pattern, marked by extremely high levels that demand caution from sunseekers and outdoor enthusiasts alike. Starting in January with a UV Index of 9, classified as very high, residents and visitors are advised to limit sun exposure to 15 minutes for safety. However, by February, this intensity escalates to 11, categorized as extreme, and remains at this level throughout March, April, and May, showcasing a consistent need for sun protection. During these peak months, burn time drops to just 10 minutes, underscoring the significant UV radiation prevalent during this time.

As summer unfolds, the UV Index remains elevated, recording values of 12 to 13 from June through September, standing as a testament to the region's sunny and intense climate. These months maintain the extreme exposure category, necessitating diligent sun protection measures to prevent skin damage. A slight decrease occurs in October, with the UV Index falling back to 11, before returning to 9 in both November and December, where it transitions back to a very high classification. This year-round intensity of UV radiation highlights the importance of being vigilant against sun exposure in Porto Novo, ensuring that both locals and tourists enjoy the sunshine safely.

Monthly Maximum UV Index for Porto Novo, Cabo Verde

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Porto Novo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec911121313121213131199
Data source: Porto Novo UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Porto Novo

In Porto Novo, Cabo Verde, daylight duration remains relatively stable throughout the year, with some seasonal variations that offer a pleasing blend of light and warmth. Both January and February enjoy approximately 11 hours of daylight, providing a consistent environment for outdoor activities during the winter months. As spring approaches in March, daylight increases to 12 hours, maintaining this duration through April and May, inviting longer days for exploration and relaxation in the sun.

The onset of summer sees daylight peak at 13 hours in June and July, allowing ample time for sun-filled adventures and vibrant evenings. However, as summer fades into early fall, daylight begins to decrease, returning to 12 hours in August and September. By October, the days shorten again to 11 hours, a duration that persists throughout the winter months of November and December. This rhythmic cycle of daylight underscores Porto Novo's appealing climate, providing a reliable balance of sun and shade for both residents and visitors alike.

Average Monthly Daylight Hours in Porto Novo, Cabo Verde

This chart shows the total daylight hours Porto Novo receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec673h694h722h751h775h786h780h759h732h703h679h667h
Data source: Porto Novo daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Porto Novo's Popular Destinations

Porto Novo, Cabo Verde enjoys a mild and tropical climate characterized by warm temperatures throughout the year. Average temperatures range from a minimum of 17°C (64°F) in February to a maximum of 27°C (80°F) in October, with comfortable averages around 20-25°C (68-77°F). Rainfall is minimal, with the wettest months being August and September, recording up to 37 mm (1.5 in), while sunshine hours peak in May and August with around 349 and 338 hours respectively. This climate makes Porto Novo a pleasant destination year-round. For more details, visit Porto Novo climate.

Conclusion

In conclusion, Porto Novo, Cabo Verde, offers a captivating climate characterized by warm temperatures, abundant sunshine, and a consistent pattern of daylight throughout the year. With a semi-arid climate that features a marked increase in temperature and sunshine hours as summer approaches, the region presents an inviting atmosphere for outdoor activities. Coupled with high UV Index ratings and minimal rainfall, individuals venturing to Porto Novo should be mindful of sun exposure while enjoying its striking beauty. Overall, the climatic conditions of Porto Novo provide a compelling environment that encourages both tourism and a vibrant local lifestyle year-round.

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