UV Index in Sao Simao, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Sao Simao, Brazil, is crucial for maintaining healthy skin and preventing sunburn, especially as the region experiences a tropical savanna climate characterized by intense sunlight and high UV exposure. With midday UV levels reaching a peak of 7 between 12:00 PM and 1:00 PM, residents and visitors must be vigilant to protect themselves from harmful effects. Awareness of UV levels can significantly reduce the risk of skin damage, allowing everyone to enjoy the sunny days in this vibrant locale while safeguarding their skin health.

Hourly UV Index in Sao Simao

The UV Index data for the day reveals a dynamic pattern of sun exposure. Starting off at a low level, both 7:00 AM and 8:00 AM maintain a mere index of 1, indicating minimal UV radiation. As the sun climbs higher, 9:00 AM sees the index rise to 3, gradually peaking at 12:00 PM with an intense 7, suggesting it's time for sun protection. The afternoon hours show a slight decline, with 1:00 PM and 2:00 PM still holding strong at 6 and 5 respectively. As the day winds down, the index drops sharply after 3:00 PM, falling back to a 1 by 4:00 PM and eventually reaching 0 by 6:00 PM, marking a safe return from the sun's harsh rays. It's a reminder of the importance of sun safety during those midday 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
10:004moderate30 min
11:006high25 min
12:007high25 min
13:006high25 min
14:005moderate30 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Sao Simao

The UV Index shows significant seasonal fluctuations, with the highest values typically between January and April, where the index remains in the extreme category (ranging from 15 to 16) and a quick burn time of just 10 minutes. This trend continues into September and October, maintaining extreme levels. May sees a shift to very high (UV Index 8) and a slightly longer burn time of 15 minutes, while June to August presents lower but still concerning values, categorized as high and very high (up to 10), with burn times extending to 25 minutes. November and December revert to extreme levels. Visitors and residents are advised to take necessary precautions during these high-risk months, particularly from January to April and again in September to November, by wearing protective clothing, applying sunscreen frequently, and limiting sun exposure, especially during peak hours.

Monthly Maximum UV Index for Sao Simao, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sao Simao. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781011131416
Data source: Statistical UV Index data for Sao Simao, 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 Simao UV Index with Other Brazil Cities

The table above highlights how UV exposure in Sao Simao 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 Simao'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 Simao151613118781011131416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313