UV Index in Barretos, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Barretos, Brazil, as it plays a significant role in protecting your skin from harmful ultraviolet rays. Being aware of UV levels not only helps in preventing painful sunburns but also safeguards long-term skin health, reducing the risk of skin cancer. With Barretos' tropical climate, typical UV exposure peaks between 11:00 AM and 1:00 PM, where the index can soar to levels of 6 and 7—a serious risk for unprotected skin. Stay informed and take proactive steps to enjoy the sun safely!

Hourly UV Index in Barretos

The UV Index for the day reveals a significant shift as the sun rises. Starting at a low 1 at 07:00 and 08:00, the intensity gradually ramps up, peaking at 7 during 12:00 and 13:00—prime time to protect your skin! As the afternoon progresses, it dips to 5 by 14:00, then descends further to 3 at 15:00. The latter part of the day sees a decline in UV exposure, returning to 1 by 16:00 and eventually dropping to 0 by 18:00 and 19:00. Be mindful of the midday sun; it's wise to wear sunscreen and seek shade when the UV Index is at its highest!

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
10:005moderate30 min
11:006high25 min
12:007high25 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 Barretos

The UV Index experiences significant fluctuations throughout the year, with extreme levels occurring from January to April and again in September to November, making these months particularly high-risk for sun exposure. In January, February, March, and April, the UV Index peaks at 16, indicating a burn time of just 10 minutes. As the seasons transition, the UV Index lowers in June to 7 and July to 8, where the exposure remains very high. However, even during the summer months, caution is advised, particularly from May to August, where burn times vary from 15 to 25 minutes. Residents and visitors should adopt sun-safe practices, such as wearing sunscreen, protective clothing, and seeking shade, especially during these high-risk periods. Regularly monitoring the UV Index is crucial to ensure safe outdoor experiences year-round.

Monthly Maximum UV Index for Barretos, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Barretos. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613119781012141416
Data source: Statistical UV Index data for Barretos, 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 Barretos UV Index with Other Brazil Cities

The table above highlights how UV exposure in Barretos 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.
Barretos's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Barretos161613119781012141416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313