UV Index in Rio Preto da Eva, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Rio Preto da Eva, Brazil is crucial for protecting your skin from harmful ultraviolet rays. With a tropical climate that often sees high UV levels, awareness of these numbers helps you prevent sunburn and maintain overall skin health. From early morning to midday, when the index peaks at 11, it's vital to take precautions against intense sunlight. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while safeguarding your skin against potential damage.

Hourly UV Index in Rio Preto da Eva

The UV Index begins its ascent at 07:00 with a low reading of 1, gradually rising to 2 by 08:00. As the day progresses, the intensity of UV radiation peaks at 12:00, hitting a maximum of 11—a critical level where sun protection is essential. Following this zenith, the index starts to decline, measuring 10 at 13:00, then tapering off to 8 by 14:00. By mid-afternoon, the UV Index drops to 5 at 15:00 and continues its downward trajectory, reaching 2 at 16:00. As the sun sets, the UV index decreases to 1 by 17:00 and ultimately settles at 0 by 18:00, signifying the end of significant UV exposure for the day. It's a reminder that while the sun's rays can be intense at midday, the morning and late afternoon offer safer conditions for outdoor activities.

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	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	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 Rio Preto da Eva

The UV Index displays extreme levels throughout the year, peaking at 16 from January to April, and slightly decreasing during the summer months to 11 in July and August. Notably, January through April are identified as high-risk months due to the consistently high UV levels, with a burn time of only 10 minutes before skin damage can occur. Visitors and residents are strongly advised to take precautionary measures during these months, such as wearing broad-spectrum sunscreen, protective clothing, and UV-blocking sunglasses, to mitigate the risks associated with intense UV exposure. As the UV Index remains elevated into the fall and winter months, continued vigilance is essential for skin protection year-round.

Monthly Maximum UV Index for Rio Preto da Eva, Brazil

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

The table above highlights how UV exposure in Rio Preto da Eva 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.

Rio Preto da Eva'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
Rio Preto da Eva	15	16	16	16	13	12	11	11	13	13	14	13