UV Index in Portel, Brazil

Last updated: May 3, 2025

Awareness of the UV Index is crucial for residents and visitors in Portel, Brazil. Understanding daily UV levels can significantly reduce the risk of sunburn and long-term skin health issues, especially in a region characterized by its tropical climate and high sunlight exposure. With peak UV levels reaching as high as 14 during midday hours, knowing when to seek shade or apply sunscreen is essential for protecting your skin. Whether you're enjoying outdoor activities or simply soaking up the sun, staying informed about the UV Index in Portel can help you enjoy the beautiful weather while prioritizing your health.

Hourly UV Index in Portel

As the sun rises, the UV Index begins its ascent, starting at a modest 1 at 07:00. It gains momentum steadily, reaching an impressive 5 by 09:00. By 10:00, the intensity skyrockets to 9, and from 11:00 to 12:00, it hits peak levels of 12 and 14, respectively, making these hours the most dangerous for unprotected skin. A slight decline follows in the afternoon, with readings of 13 at 13:00 and 10 by 14:00, before tapering off to 7 at 15:00. As the day winds down, UV levels drop significantly, falling to 3 at 16:00, and finally settling back to 1 by 17:00 through 18:00, before fading to 0 by 19:00. It's essential to stay sun-safe during those 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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Portel

The UV Index remains extremely high throughout the year, with slight variations across the months. The highest values occur from March to May, peaking at 16 in both March and April, making these the high-risk months for sun exposure. January and February also maintain extreme levels at 15 and 14, respectively. As the year progresses, the index slightly decreases, reaching a low of 11 in June and July. However, the UV index remains notably elevated, with values of 12 to 14 observed from August to November. Visitors and residents are strongly advised to take precautionary measures all year round, using sunscreen, wearing protective clothing, and seeking shade during peak sun hours to mitigate the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Portel, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Portel. 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 Portel, 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 Portel UV Index with Other Brazil Cities

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

Portel's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rio de Janeiro UVI	15	14	13	10	7	6	7	9	11	12	13	15
Sao Paulo UVI	16	15	12	11	8	6	7	9	11	13	14	15
Belo Horizonte UVI	17	16	14	12	9	7	8	10	12	13	14	16
Salvador UVI	14	14	14	13	10	9	9	12	12	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Portel	15	14	16	16	14	11	11	12	13	13	13	13