UV Index in Barroso, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Barroso, Brazil, where the climate often exposes us to varying levels of ultraviolet radiation throughout the day. Being aware of UV levels helps in preventing sunburn and promotes long-term skin health, allowing you to enjoy the beautiful Brazilian sun safely. In Barroso's Cwa climate zone, peaks in UV exposure typically occur between 11:00 AM and 1:00 PM, with maximum levels reaching 7—indicating a high risk for harm to unprotected skin. Stay informed and protect yourself from the sun’s potential damage while enjoying the warmth of your surroundings!

Hourly UV Index in Barroso

During the day, the UV Index exhibits a dynamic pattern, starting off gently in the early hours. At 07:00 and 08:00, the index remains low at 1, indicating minimal risk for sun exposure. As the sun rises higher, the index climbs to 3 by 09:00 and reaches its peak of 7 at both 11:00 and 12:00, signaling a high risk where sun protection is essential. By 13:00, it slightly declines to 6, followed by a notable drop to 4 at 14:00. The afternoon continues to see a decrease, descending to 2 by 15:00, before tapering off to 1 by 16:00. As evening approaches, the UV Index falls to 0 by 18:00 and remains there through the night, providing a safe respite from UV rays.

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	2	low	45 min
16:00	1	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Barroso

The seasonal UV index in our region shows significant variations throughout the year, with extreme levels dominating from January through April, where the UV index reaches a peak of 17 in January. The high-risk months for UV exposure are January through April and again in September to November, where the UV index remains at 10 or higher, indicating an exposure category classified as extreme. Visitors and residents are strongly advised to take precautions during these periods, such as wearing sunscreen, protective clothing, and seeking shade to minimize the risk of sunburn, especially when outdoor activities are planned. In the summer months of June to August, while the UV index decreases to 7 to 10, it is still categorized as high to very high, and individuals should remain vigilant.

Monthly Maximum UV Index for Barroso, Brazil

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

The table above highlights how UV exposure in Barroso 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.

Barroso'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
Barroso	17	16	14	12	9	7	8	10	12	14	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