UV Index in Serra Negra, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Serra Negra, Brazil, is crucial for protecting your skin and overall health. With varying UV levels throughout the day—soaring to a peak of 6 around noon—being aware of sun exposure can help prevent painful sunburns and long-term skin damage. Nestled in the Cfa climate zone, Serra Negra enjoys a temperate climate, but this also means that UV risks can remain significant, especially during the sunniest hours. Stay informed and take proactive measures to safeguard your skin and enjoy the beautiful Brazilian sunshine responsibly!

Hourly UV Index in Serra Negra

The UV Index demonstrates its daily rhythm, starting off softly with a maximum of 1 at 07:00 and 08:00. As the sun climbs, the intensity increases, peaking at a robust 6 from 11:00 to 13:00, encouraging sun safety awareness during these hours. Following the midday high, the index gently declines, dropping to 4 at 14:00, and tapering off to 1 by 16:00. As the sun sets, it graciously recedes into 0 by 18:00, ensuring that the evening hours bring a respite from UV exposure. Remember to protect your skin when the index is high, especially during the bustling hours of noon!

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
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:006high25 min
12:006high25 min
13:006high25 min
14:004moderate30 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Serra Negra

The UV Index exhibits significant seasonal variation, peaking during the winter and early spring months. From January to April, the UV Index remains in the extreme exposure category, with a consistent reading of 16. This is particularly important for visitors and residents, as the burn time is just 10 minutes. As we transition into warmer months, May through August presents very high UV levels, with indices dropping slightly but remaining impactful, especially in July and August. The burn time extends to 15 minutes during these months. September to November sees a return to extreme levels, with UV Index values between 12 and 16, and a burn time of 10 minutes. To protect your skin, all individuals should prioritize sun safety measures—such as using sunscreen, wearing protective clothing, and limiting sun exposure during peak hours—throughout the year, but especially during the high-risk months from January to April and again in September to November.

Monthly Maximum UV Index for Serra Negra, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Serra Negra. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118681012141516
Data source: Statistical UV Index data for Serra Negra, 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 Serra Negra UV Index with Other Brazil Cities

The table above highlights how UV exposure in Serra Negra 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.
Serra Negra's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Serra Negra161613118681012141516
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313