UV Index in Rio Real, Brazil

Last updated: July 2, 2025

In Rio Real, Brazil, being aware of the UV Index is essential for maintaining skin health and preventing sunburn. With high UV levels typically peaking during midday hours, understanding when to seek shade or apply sunscreen can significantly reduce the risk of skin damage. The town's tropical climate contributes to increased UV exposure, especially during the summer months, making it crucial for residents and visitors alike to stay informed about daily UV projections. By keeping an eye on the UV Index, you can enjoy the sun responsibly while protecting your skin for years to come.

Hourly UV Index in Rio Real

The UV Index throughout the day showcases a notable peak from 11:00 AM to 12:00 PM, where it reaches a high of 10, indicating very high levels of UV radiation and a strong need for sun protection. This intense sunlight starts to build up at 9:00 AM with a reading of 5, escalating to 8 by 10:00 AM. As the afternoon unfolds, the index gradually declines, dropping to 6 at 2:00 PM, followed by a significant decrease back to 3 by 3:00 PM. By the evening, the UV levels return to safe numbers, tapering off to 1 at 4:00 PM and 0 by 6:00 PM, prompting a welcome end to the day’s sun exposure. Always remember to take precautions during those peak hours!

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
08:003moderate30 min
09:005moderate30 min
10:008very high15 min
11:0010very high15 min
12:0010very high15 min
13:008very high15 min
14:006high25 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Rio Real

The UV Index experiences significant fluctuations throughout the year, predominantly remaining in the extreme and very high exposure categories. Notably, the high-risk months span from January to April and August to November, during which the UV Index peaks at 15 in November and hovers around 14 in several other months, indicating a burn time of just 10 minutes. In June and July, although the index decreases to 10, both months are still classified as very high, allowing for a slightly longer burn time of 15 minutes. To safeguard against harmful UV exposure, visitors and residents are advised to wear protective clothing, apply broad-spectrum sunscreen, and seek shade, especially during peak sunlight hours. Emphasizing vigilance in skin protection is crucial, particularly from late spring through to late autumn.

Monthly Maximum UV Index for Rio Real, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rio Real. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141414131110101213141514
Data source: Statistical UV Index data for Rio Real, 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 Real UV Index with Other Brazil Cities

The table above highlights how UV exposure in Rio Real 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 Real's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Rio Real141414131110101213141514
Fortaleza UVI141415151311111213131313