UV Index in Santa Cruz do Sul, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Santa Cruz do Sul, Brazil, where the climate can expose individuals to varying levels of ultraviolet radiation throughout the day. With maximum UV levels peaking at 5 during midday hours, being aware of these fluctuations is essential for preventing sunburn and safeguarding skin health. The Cfa climate zone of Santa Cruz do Sul typically brings warm temperatures and ample sunshine, which can elevate UV exposure risks. By keeping track of the UV Index, you can enjoy the beautiful Brazilian sunshine while taking the necessary precautions to protect your skin from harmful effects.

Hourly UV Index in Santa Cruz do Sul

The UV Index data reveals a dynamic daily cycle of sun exposure. Starting low at 07:00, with a reading of 0, the intensity gradually increases as the day progresses. By 10:00, it reaches a moderate level of 3, peaking at 12:00 and 13:00 with a high of 5. This is the perfect time for sunbathing or outdoor activities, but remember to apply sunscreen! The UV Index then begins to taper off, dropping to 4 by 14:00, and descending further to 1 by 16:00. As the day winds down, the levels fall back to 0 by 18:00 and remain there until 19:00. Stay informed and enjoy the sunshine 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
07:000low45 min
08:001low45 min
09:001low45 min
10:003moderate30 min
11:004moderate30 min
12:005moderate30 min
13:005moderate30 min
14:004moderate30 min
15:002low45 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Santa Cruz do Sul

Throughout the year, UV Index values exhibit significant seasonal fluctuations, with particularly high-risk months from January to March and October to December, where the UV Index reaches extreme levels (13-14) and burn times are as short as 10 minutes. The month of April sees a decline to a very high category (UV Index 9) with a burn time of 15 minutes, while May and August present high risk (UV Index 6-7) but with longer burn times of 25 minutes. From June to July, the UV Index reduces to moderate levels (5), allowing for safer sun exposure of 30 minutes. Visitors and residents are strongly advised to take precautions during the extreme and very high risk months, including wearing sunscreen, seeking shade, and wearing protective clothing to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Santa Cruz do Sul, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santa Cruz do Sul. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141312965579121414
Data source: Statistical UV Index data for Santa Cruz 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 Santa Cruz do Sul UV Index with Other Brazil Cities

The table above highlights how UV exposure in Santa Cruz 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.
Santa Cruz do Sul's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Santa Cruz do Sul141312965579121314
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313