UV Index in Porto Novo, Cabo Verde

Last updated: July 2, 2025

Understanding the UV Index in Porto Novo, Cabo Verde is essential for safeguarding your skin and overall health. With its BWh climate, the region experiences intense sun exposure, particularly during midday when UV levels can soar to a staggering 12—indicating a very high risk of harm from unprotected sun exposure. Being aware of these UV levels is crucial not only for preventing sunburn but also for maintaining long-term skin health. By monitoring the UV Index, you can make informed decisions about sun protection to enjoy the beautiful Cape Verdean sun safely.

Hourly UV Index in Porto Novo

The hourly UV Index today presents a dramatic journey through sunlight intensity. Starting off at 07:00, the index is a mild 1, gradually rising to 2 by 08:00. As the morning progresses, the UV rays escalate, peaking at a formidable 12 between 12:00 and 13:00, indicating the highest risk for sun exposure. Once the clock strikes 14:00, the index begins to descend, dropping to 11 and subsequently to 8 by 15:00. The late afternoon brings a cooling respite, as levels fall to 5 at 16:00, before retreating to a soft 1 by the evening hours 18:00 to 19:00. It's a classic reminder of how the sun's impact can shift throughout the day, urging us to stay protected during peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Porto Novo

During the year, UV Index levels show significant seasonal variations, with the highest readings occurring from February through October, indicating a period of extreme exposure. Specifically, months like March, April, May, August, and September reach a peak UV Index of 13, warranting caution as the burn time is only 10 minutes. January and February also present high risks with UV Index values of 9 and 11, respectively, while November and December return to a very high risk, but with slightly longer burn times of 15 minutes. It is imperative for visitors and residents to take protective measures, such as wearing sunscreen, protective clothing, and sunglasses, especially during these high-risk months, to mitigate the risk of UV damage.

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.

Data source: Statistical UV Index data for Porto Novo, based on information from the Copernicus Climate Change Service.

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.

Compare Porto Novo UV Index with Other Cabo Verde Cities

The table above highlights how UV exposure in Porto Novo compares to other major locations across Cabo Verde. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Porto Novo's solar exposure compared to other cities in Cabo Verde. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Santa Maria UVI	9	10	12	13	12	11	12	13	13	11	10	9
Porto Novo	9	11	12	13	13	12	12	13	13	11	9	9
Mindelo UVI	9	11	12	13	13	12	12	13	13	11	9	9
Cova Figueira UVI	9	11	13	13	12	12	12	13	14	12	10	9
Santa Cruz UVI	9	11	13	13	12	12	13	13	14	12	10	9
Praia UVI	9	11	13	13	12	12	13	13	14	12	10	9