UV Index in Registro, Brazil

Last updated: June 2, 2025

In Registro, Brazil, staying informed about the UV Index is essential for maintaining optimal skin health and preventing sunburns. Understanding the daily UV levels can help you make informed decisions about sun protection, especially during the peak hours when the UV intensity is highest. With a Cfa climate, characterized by warm temperatures and ample sunshine, Registro residents face unique challenges when it comes to managing UV exposure. Awareness of UV levels is crucial, particularly between 10 AM and 2 PM, when the index peaks at 6, indicating a higher risk of harmful effects from the sun. Protect yourself and enjoy the outdoors safely by staying vigilant about UV indices in your area!

Hourly UV Index in Registro

The UV Index today showcased a notable increase from the early morning hours, starting at a gentle 1 at 07:00 and 08:00. As the sun rose higher in the sky, the index climbed steadily, reaching a significant 6 by 12:00, indicating a peak in UV radiation and the need for sun protection. The afternoon saw a slight decline, with values dropping to 4 at 14:00 and falling further to 2 by 15:00. As the day wound down, the UV index returned to a safer range, ending the day at 0 by 19:00. It’s crucial to stay informed and safeguard your skin during those high UV 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
09:002low45 min
10:004moderate30 min
11:005moderate30 min
12:006high25 min
13:005moderate30 min
14:004moderate30 min
15:002low45 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Registro

Throughout the year, the UV Index exhibits significant seasonal variations, with extremely high levels observed from January to March and again from September to November. The highest recorded UV Index of 15 occurs in January, February, and December, indicating an extreme exposure category with a burn time of just 10 minutes. April marks a slight drop to a UV Index of 10 (very high), while May, June, and July present a moderate risk (UV Index of 6 to 7), allowing for longer exposure times of up to 25 minutes. As summer yields to early autumn, the risk increases again, peaking at 11 in September and declining slightly through October and November with UV Indexes of 13 and 14, respectively. Visitors and residents are strongly advised to take precautions during high-risk months, specifically from January to March and September to November, by wearing protective clothing, using broad-spectrum sunscreen, and limiting sun exposure during peak hours to avoid severe sunburn.

Monthly Maximum UV Index for Registro, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Registro. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec15151210766811131415
Data source: Statistical UV Index data for Registro, 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 Registro UV Index with Other Brazil Cities

The table above highlights how UV exposure in Registro 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.
Registro's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Registro15151210766811131415
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313