UV Index in Sao Lourenco da Serra, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Sao Lourenco da Serra, Brazil, where sun exposure can vary significantly throughout the day. With its Cfa climate characterized by warm summers, awareness of UV levels can help prevent sunburn and promote skin health, ensuring outdoor activities are enjoyable and safe. As indicated, the UV Index peaks around 11:00 AM to 1:00 PM with levels reaching 6, signaling a high risk for harm from unprotected sun exposure. By staying informed about UV intensity, you can take proactive measures, like wearing sunscreen and protective clothing, to safeguard your skin against the sun's harmful rays.

Hourly UV Index in Sao Lourenco da Serra

The UV Index throughout the day presents an interesting fluctuation, starting off quite low with a maximum of 1 at both 07:00 and 08:00. As the sun rises higher, the intensity increases sharply, peaking at 6 from 11:00 to 13:00. This is the critical time to protect your skin, as a UV Index of 6 indicates a moderate risk of harm from unprotected sun exposure. The afternoon sees a gradual decline, with numbers dropping back to 2 by 15:00 and returning to 1 by 16:00 and 17:00. Finally, as the day comes to a close, the UV Index falls to 0 by 18:00 and remains there through the evening, reminding us that while the sun's rays can be strong during the day, they also retreat as the sun sets.

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

Monthly UV Index Trends in Sao Lourenco da Serra

The UV Index experiences significant seasonal changes, peaking in the winter and late fall months, with extreme levels recorded from January through April and again in September to November. This means January, February, March, April, September, October, and November are considered high-risk months for sun exposure, with a burn time of only 10 minutes in these extreme conditions. In contrast, during the summer months of June and July, the UV levels drop to high, allowing for a slightly longer burn time of 25 minutes, while May and August remain at very high, with 15 minutes before potential damage occurs. Visitors and residents are advised to take precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during the peak months to minimize the risk of skin damage and ensure safe outdoor activities.

Monthly Maximum UV Index for Sao Lourenco da Serra, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sao Lourenco da Serra. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec16151311867911131516
Data source: Statistical UV Index data for Sao Lourenco da Serra, 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 Sao Lourenco da Serra UV Index with Other Brazil Cities

The table above highlights how UV exposure in Sao Lourenco da Serra 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.
Sao Lourenco da Serra's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Sao Lourenco da Serra16151311867911131516
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313