UV Index in Sao Lourenco do Sul, Brazil

Last updated: June 2, 2025

Understanding the UV Index is vital for residents and visitors of Sao Lourenco do Sul, Brazil, as it plays a crucial role in sunburn prevention and overall skin health. With a Cfa climate, characterized by warm summers and mild winters, the UV exposure can vary significantly throughout the day. During peak hours, particularly between 11 AM and 1 PM, the UV Index can reach levels of 4, indicating moderate risk. Being aware of these levels enables individuals to take necessary precautions, ensuring enjoyable and safe outdoor experiences in this beautiful coastal town while protecting their skin from harmful effects of excessive sun exposure.

Hourly UV Index in Sao Lourenco do Sul

As the sun rises, the UV Index begins at a maximum of 0 at 07:00, indicating a low risk for sun exposure. By 08:00 and 09:00, it gradually climbs to 1, maintaining a safe level. The intensity peaks between 10:00 and 13:00, reaching 4—a reminder to protect your skin during these hours. By 14:00, the index dips slightly to 3, still suggesting caution, before it declines further in the late afternoon to 2 at 15:00 and remains at 1 through 16:00 and 17:00. The day winds down with the UV Index dropping back to 0 by 18:00, marking a safe end to sun exposure for the day. Enjoy the sunshine, but remember to stay protected when the UV rays are 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
07:000low45 min
08:001low45 min
09:001low45 min
10:002low45 min
11:004moderate30 min
12:004moderate30 min
13:004moderate30 min
14:003moderate30 min
15:002low45 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Sao Lourenco do Sul

Throughout the year, UV exposure varies significantly, with the highest risk occurring from November to March. During these months, the UV Index reaches extreme levels, peaking at 15 in December and remaining at 14 in January and November, with a dangerously short burn time of just 10 minutes. As spring approaches, in April, the UV Index drops to 9, categorized as very high, allowing for a slightly longer burn time of 15 minutes. By May and June, the UVs moderate to an index of 5 and 4, respectively, with burn times extending to 30 minutes. However, the risk escalates again in September, returning to a very high level of 9. Visitors and residents should exercise caution, especially in high-risk months, ensuring to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours to minimize potential harm from UV radiation.

Monthly Maximum UV Index for Sao Lourenco do Sul, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sao Lourenco do Sul. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141312954579121415
Data source: Statistical UV Index data for Sao Lourenco do Sul, 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 do Sul UV Index with Other Brazil Cities

The table above highlights how UV exposure in Sao Lourenco do Sul 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 do Sul's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Sao Lourenco do Sul141312954479121415
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313