UV Index in Assis, Brazil

Last updated: July 2, 2025

In Assis, Brazil, staying informed about the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps you prevent sunburn and minimizes the risk of long-term skin damage. Situated in a humid subtropical climate, Assis experiences varying UV exposure throughout the day, peaking in the early afternoon with levels reaching up to 7. By being aware of these fluctuations, you can make informed decisions about sun protection and enjoy the outdoors safely.

Hourly UV Index in Assis

Throughout the day, the UV Index showcases a dynamic pattern of intensity. Starting at a gentle 1 by 07:00, the index gradually rises, reaching a moderate 2 by 09:00. As the sun climbs higher, a notable increase occurs, peaking at an elevated 7 from 12:00 to 13:00, marking the day's most intense UV exposure. The index then begins its descent, dipping to 4 by 15:00 and further down to 2 by 16:00. As evening approaches, the UV risk diminishes, with values dropping to 0 at 18:00 and remaining low for the rest of the evening. It's essential to stay protected during those peak midday hours when UV exposure can be at its strongest!

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
09:002low45 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:007high25 min
14:006high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Assis

The UV Index shows significant seasonal fluctuations, with the highest levels occurring from August to December, peaking in January and December at an extreme index of 16. Notably, the high-risk months include January, February, March, April, September, October, and November, all categorized as extreme, requiring just 10 minutes of sun exposure to risk skin burns. Conversely, June and July are classified as high with slightly lower indices of 6 to 7, allowing for 25 minutes of safe sun exposure. Visitors and residents are advised to take precautionary measures during these high UV months, such as wearing protective clothing, utilizing sunscreen, and avoiding direct sunlight during peak hours to minimize skin damage and health risks.

Monthly Maximum UV Index for Assis, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Assis. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151513118671012131416
Data source: Statistical UV Index data for Assis, 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 Assis UV Index with Other Brazil Cities

The table above highlights how UV exposure in Assis 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.
Assis's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Assis151513118671012131416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313