UV Index in Viradouro, Brazil

Last updated: July 2, 2025

In Viradouro, Brazil, understanding the UV Index is crucial for safeguarding your skin and overall health. As this vibrant city experiences a tropical climate, the risk of sunburn and long-term skin damage can be significantly heightened, particularly during midday when UV levels peak. From 10 a.m. to 2 p.m., the UV Index can rise to 8, indicating a very high risk of harm from unprotected sun exposure. By staying informed about daily UV levels, residents and visitors can take proactive measures to protect themselves, ensuring a safe and enjoyable experience under the Brazilian sun.

Hourly UV Index in Viradouro

At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations to enjoy the sun safely!

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
11:007high25 min
12:008very high15 min
13:008very high15 min
14:006high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Viradouro

The UV Index shows significant seasonal variation, with extremely high levels persisting from January to April and then again in September to December. High-risk months include January, February, March, April, September, October, November, and December, where the UV Index remains at 13 or above, indicating a burn time of just 10 minutes. Even during the summer months, while the risk drops slightly to a very high level in May, July, and August, visitors and residents should remain vigilant. It is crucial to take protective measures, such as wearing sunscreen, seeking shade, and wearing protective clothing during these periods of high UV exposure, particularly in the peak months.

Monthly Maximum UV Index for Viradouro, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Viradouro. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012141416
Data source: Statistical UV Index data for Viradouro, 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 Viradouro UV Index with Other Brazil Cities

The table above highlights how UV exposure in Viradouro 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.
Viradouro's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Viradouro161613118781012141416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313