UV Index in Guaratingueta, Brazil

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors of Guaratinguetá, Brazil, where the subtropical climate brings a unique combination of sunshine and potential skin risks. With UV levels rising to 6 during midday hours, awareness of these numbers is crucial for sunburn prevention and maintaining overall skin health. Protecting yourself from harmful UV radiation is vital in this lively region, especially during peak hours, as the sun's rays can be particularly intense. So, arm yourself with knowledge about the UV Index to enjoy the outdoors safely while savoring everything this beautiful place has to offer!

Hourly UV Index in Guaratingueta

The UV Index in this hourly snapshot reveals a dynamic pattern throughout the day. Early morning sees low levels, with a maximum of 1 at 7:00 AM and 8:00 AM, indicating minimal risk for skin damage. As the sun rises higher, the index climbs sharply, peaking at 6 between 11:00 AM and 1:00 PM, where caution is advised due to an increased risk of harm from unprotected sun exposure. By mid-afternoon, the index starts to drop, falling to 4 at 2:00 PM, and then further declines towards evening, with readings of 2 at 3:00 PM and returning to 1 by 4:00 PM. The day concludes with a relief as the index reaches 0 by 6:00 PM, signaling a safe time to be outdoors without sun protection. This data serves as a reminder to stay vigilant during peak hours to protect your skin!

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
10:005moderate30 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 Guaratingueta

During the year, the UV Index exhibits significant fluctuations, with the highest risk months occurring from January to April and again in September to November, consistently classified as having an extreme exposure category. In these months, the burn time is a mere 10 minutes, indicating the need for vigilant sun protection. Notably, May to August sees slightly lower UV levels, moving into the very high category, with burn times extending to 15-25 minutes. To ensure safety, both visitors and residents should prioritize wearing sunscreen, protective clothing, and seeking shade during peak sun hours, especially in the high-risk months, to minimize the risk of UV-related harm.

Monthly Maximum UV Index for Guaratingueta, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Guaratingueta. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118681012141416
Data source: Statistical UV Index data for Guaratingueta, 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 Guaratingueta UV Index with Other Brazil Cities

The table above highlights how UV exposure in Guaratingueta 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.
Guaratingueta's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Guaratingueta161613118681012131416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313