UV Index in Portel, Brazil

Last updated: July 2, 2025

In Portel, Brazil, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburns and reduce the risk of long-term skin damage, especially in a region known for its warm, tropical climate. With peak UV levels reaching as high as 11 during midday hours, residents and visitors alike should be vigilant about sun protection strategies. By being aware of your UV exposure, you can enjoy the beautiful Brazilian sun while safeguarding your skin’s health.

Hourly UV Index in Portel

At dawn, the UV Index starts at a gentle 1 by 7:00 AM, gradually rising as the sun climbs higher in the sky. By 9:00 AM, it reaches a moderate 4, urging early risers to stay vigilant. The intensity peaks at noon, hitting a scorching 11, indicating a high risk of harm from unprotected sun exposure. This peak continues until 1:00 PM, where it remains at 11 before beginning its descent. The afternoon sees a noticeable drop, with the index falling to 6 by 3:00 PM and further decreasing to 3 by 4:00 PM. As the day winds down, the UV Index drops to a safe 1 by 5:00 PM and finally falls to 0 by 7:00 PM, signaling the end of the sun's powerful rays. Stay informed and protect your skin 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	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	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