UV Index in Boa Esperanca, Brazil

Last updated: July 2, 2025

In Boa Esperança, Brazil, staying informed about the UV Index is crucial for safeguarding your skin health amidst the region's tropical climate. With UV levels peaking between 10 AM and 1 PM, understanding these indices can help prevent sunburn and long-term skin damage. As you enjoy the beautiful sunny days that Boa Esperança offers, knowing when to seek shade or apply sunscreen can make all the difference in protecting yourself from harmful rays. Whether you’re spending time outdoors or simply enjoying the vibrant atmosphere, being UV aware is essential for a safe and healthy experience.

Hourly UV Index in Boa Esperanca

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 8:00 AM, it nudges up to 2, signaling a mild increase in UV exposure. The intensity heats up quickly, reaching a moderate 4 by 9:00 AM, before hitting its peak of 8 from 11:00 AM to 12:00 PM. This is the prime time for sun safety awareness! After noon, the UV Index gradually declines; by 3:00 PM, it recedes to 3, and as the day wanes, it drops significantly to 1 by 4:00 PM. By evening, UV levels have diminished, reaching 0 by 6:00 PM, offering a reprieve from the sun’s 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:004moderate30 min
10:006high25 min
11:008very high15 min
12:008very high15 min
13:007high25 min
14:005moderate30 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Boa Esperanca

The seasonal UV changes reveal a consistent trend of extreme UV exposure from January through April, with indices peaking at 15 and a burn time of just 10 minutes. Following this, the UV Index decreases slightly in May and June, registering at 9 and 8 respectively, while still maintaining a very high exposure category with a burn time of 15 minutes. From August onwards, UV levels shift back to extreme values, reaching 11 in August and 12 in September and October, before returning to extremes through November and December. The high-risk months for sun exposure are therefore January to April and August to November, with a particular emphasis on the beginning and end of the year. Visitors and residents are strongly advised to take precautionary measures during these months, such as wearing protective clothing, applying sunscreen frequently, and limiting sun exposure, especially during peak hours, to mitigate the risk of UV-related harm.

Monthly Maximum UV Index for Boa Esperanca, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Boa Esperanca. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151514129881112141515
Data source: Statistical UV Index data for Boa Esperanca, 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 Boa Esperanca UV Index with Other Brazil Cities

The table above highlights how UV exposure in Boa Esperanca 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.
Boa Esperanca's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Boa Esperanca151514129881112141515
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313