UV Index in Riacho de Santana, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Riacho de Santana, Brazil, where the tropical climate brings sunshine and warmth year-round. With UV levels peaking at a significant 10 during midday, awareness is key to preventing sunburn and maintaining long-term skin health. As you enjoy the beautiful outdoors, being informed about UV exposure risks can help you make smart choices for protection, allowing you to bask in the vibrant sun while safeguarding your skin. Remember, even a quick trip outside demands vigilance, especially as the sun climbs higher in the sky.

Hourly UV Index in Riacho de Santana

The UV Index throughout the day presents a compelling narrative of sun exposure, peaking at a staggering 10 at 12:00 PM, indicating a need for caution. As the sun rises, the UV Index gradually climbs from 1 at 7:00 AM to a notable 4 by 9:00 AM. The ascent continues, reaching 9 by 11:00 AM, before hitting its maximum at noon. However, as the afternoon progresses, the intensity wanes, with readings dropping to 7 by 2:00 PM and eventually falling to 1 by 5:00 PM. As twilight approaches, the Index dips to 0 after 6:00 PM, promising safe evening conditions. Engaging with the sun requires awareness; ensure you're protected during those 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
08:002low45 min
09:004moderate30 min
10:007high25 min
11:009very high15 min
12:0010very high15 min
13:009very high15 min
14:007high25 min
15:004moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Riacho de Santana

The UV Index shows significant seasonal variation, with extremely high levels persisting from January to April and then again in August and October. High-risk months include January, February, March, November, and December, each registering a UV Index of 15, indicating an extreme exposure category with a burn time of just 10 minutes. Visitors and residents should take caution during these months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. Additionally, even during the slightly lower UV Index months of June and July, with levels of 9 and 10 respectively, it remains essential to stay vigilant about sun protection due to the very high exposure category.

Monthly Maximum UV Index for Riacho de Santana, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Riacho de Santana. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec15151513119101213141515
Data source: Statistical UV Index data for Riacho de Santana, 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 Riacho de Santana UV Index with Other Brazil Cities

The table above highlights how UV exposure in Riacho de Santana 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.
Riacho de Santana'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
Riacho de Santana15151513119101213141515
Fortaleza UVI141415151311111213131313