UV Index in Cajuru, Brazil

Last updated: July 2, 2025

In Cajuru, Brazil, understanding the UV Index is essential for protecting your skin and preventing sunburn. With a climate zone classified as Cwa, residents often experience significant UV exposure, especially during the peak hours of 10 AM to 2 PM, where indices can soar to 8. Being aware of UV levels not only helps in preventing acute skin damage but also supports long-term skin health. With the risk of skin issues rising in sunny Brazil, staying informed can make all the difference for outdoor activities and daily life in Cajuru.

Hourly UV Index in Cajuru

At sunrise, the UV Index starts gently at 1, peaking at 8 during the midday hours of 12:00 PM and 1:00 PM, indicating the sun's intensity is at its highest. As the day progresses, the index climbs steadily from 3 at 9:00 AM to its maximum of 7 at 11:00 AM, encouraging everyone to seek shade and wear sunscreen. By 2:00 PM, it begins to decline to 6, and continues to decrease, settling back to 1 by 5:00 PM and fading to 0 by 6:00 PM, signaling that the day is winding down. This fluctuation highlights the importance of being sun-smart during the peak hours!

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
11:007high25 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 Cajuru

The UV Index shows significant seasonal variation, with extremely high levels persisting from January to April and then again in September to December. High-risk months include January, February, March, April, September, October, November, and December, where the UV Index remains at 13 or above, indicating a burn time of just 10 minutes. Even during the summer months, while the risk drops slightly to a very high level in May, July, and August, visitors and residents should remain vigilant. It is crucial to take protective measures, such as wearing sunscreen, seeking shade, and wearing protective clothing during these periods of high UV exposure, particularly in the peak months.

Monthly Maximum UV Index for Cajuru, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Cajuru. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012141516
Data source: Statistical UV Index data for Cajuru, 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 Cajuru UV Index with Other Brazil Cities

The table above highlights how UV exposure in Cajuru 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.
Cajuru's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Cajuru161613118781012141416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313