UV Index in Porto da Folha, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Porto da Folha, Brazil, where sunny days are abundant. With daylight hours experiencing varying levels of UV exposure, knowing how to interpret these levels is essential for preventing sunburn and maintaining long-term skin health. During peak hours, particularly between 10 AM and 12 PM, the UV Index can reach alarming levels, highlighting the need for effective sun protection measures. Given the region's tropical climate, which enhances UV radiation risks, staying informed about daily UV fluctuations will help safeguard your skin while enjoying the beautiful outdoors.

Hourly UV Index in Porto da Folha

As the day begins, the UV Index starts at a mild 2 at 7:00 AM, but it quickly escalates as the sun rises. By 10:00 AM, it peaks at a striking 10, indicating a high risk of harm from unprotected sun exposure. The intensity continues to dominate until 12:00 PM, when it slightly dips to 11 but remains a major concern. As afternoon approaches, the UV Index gradually descends from 9 at 1:00 PM to 6 by 2:00 PM, before more noticeable declines occur, settling at 3 by 3:00 PM. The evening brings a steady reduction, with readings plummeting to 1 by 4:00 PM and 5:00 PM, and finally dropping to zero after 6:00 PM. It's a vivid reminder that during peak hours, taking precautions against sun exposure is essential for skin health!

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
07:002low45 min
08:004moderate30 min
09:007high25 min
10:0010very high15 min
11:0012extreme10 min
12:0011extreme10 min
13:009very high15 min
14:006high25 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Porto da Folha

The UV Index exhibits extreme levels from January to April, peaking at 14, indicating an urgent need for protective measures with a burn time of just 10 minutes. May sees a slight decrease to 12, still categorized as extreme, before transitioning to very high levels of 10 in June and July, allowing for a marginally longer burn time of 15 minutes. As summer fades, August ramps back up to an extreme index of 12, while September and October feature UV levels of 13 and 14, respectively, with burn times once again dropping to 10 minutes. November reaches a peak UV Index of 15, cautioning all residents and visitors to remain vigilant. Advisable precautions include wearing sunscreen, protective clothing, and sunglasses, especially during the highest risk months of January through April and again in November. During these periods, limit sun exposure, particularly during midday hours, to minimize the risk of skin damage.

Monthly Maximum UV Index for Porto da Folha, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Porto da Folha. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141414141210101213141514
Data source: Statistical UV Index data for Porto da Folha, 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 Porto da Folha UV Index with Other Brazil Cities

The table above highlights how UV exposure in Porto da Folha 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.
Porto da Folha's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Porto da Folha141414141210101213141514
Fortaleza UVI141415151311111213131313