UV Index in Arcos, Brazil

Last updated: July 2, 2025

In Arcos, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly aid in sunburn prevention and maintaining long-term skin health, especially in a region characterized by a Cwa climate, where sunlight can be intense and the risk of UV exposure can fluctuate throughout the day. With midday UV Index values reaching as high as 8, Arcos residents and visitors must stay informed to enjoy the sun safely while minimizing the potential for harmful effects. Keep an eye on the UV Index and take proactive measures to safeguard your skin!

Hourly UV Index in Arcos

The UV Index today showcases a dramatic shift as the sun climbs higher in the sky. Starting off at a low of 1 at 07:00, it gradually ascends to a moderate 3 by 09:00. The real intensity hits its peak at 11:00, reaching a high of 8, and maintaining that level until 13:00. Afterward, the index begins its descent, dipping to a 6 at 14:00. By late afternoon, it settles at a 3 by 15:00, before dropping quickly to 1 at 17:00 and finally fading to 0 by 19:00. Stay protected during the peak hours to enjoy a day under 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
10:006high25 min
11:008very high15 min
12:008very high15 min
13:008very high15 min
14:006high25 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Arcos

The UV Index experiences significant fluctuations throughout the year, with extreme levels recorded from January to April and again in August through November. Notably, the highest risk months are January, February, and March, where the UV Index peaks at 16 and a mere 10 minutes of exposure can lead to sunburn. As the season progresses into summer, the risk decreases slightly, with June showing a high index of 7 and a longer burn time of 25 minutes. However, visitors and residents should remain cautious, especially during the very high months of May and July, when the burn time reduces back to 15 minutes. Overall, it is crucial for everyone to take protective measures against UV exposure year-round, particularly in these high-risk months, by using sunscreen, wearing protective clothing, and seeking shade during peak hours.

Monthly Maximum UV Index for Arcos, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Arcos. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161614129781113141516
Data source: Statistical UV Index data for Arcos, 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 Arcos UV Index with Other Brazil Cities

The table above highlights how UV exposure in Arcos 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.
Arcos'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
Arcos161614129781113141516
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313