UV Index in Rio Largo, Brazil

Last updated: July 2, 2025

In Rio Largo, Brazil, being aware of the UV Index is crucial for protecting your health under the sun. Understanding UV levels is essential not only for preventing sunburns but also for maintaining long-term skin health. With a tropical climate that typically exposes residents and visitors to high UV radiation, it is vital to monitor daily levels—especially during peak hours when the index reaches a maximum of 10. By staying informed, you can enjoy the sunny beauty of Rio Largo while minimizing the risks associated with sun exposure.

Hourly UV Index in Rio Largo

As the sun rises, the UV Index begins to climb, starting at a gentle 1 at 07:00. By 08:00, it escalates to a moderate 3, but the real intensity hits by 10:00, peaking at a striking 10 from 11:00 to 12:00—a clear signal for sun safety awareness. As the afternoon progresses, the index gradually declines, dipping to 8 at 13:00 and then swiftly dropping to 5 by 14:00. The evening brings relief, with levels decreasing to 3 at 15:00, and falling to 1 by 16:00. As the day fades away, the UV risk diminishes further, reaching 0 by 19:00. Remember to protect your skin 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
08:003moderate30 min
09:006high25 min
10:009very high15 min
11:0010very high15 min
12:0010very high15 min
13:008very high15 min
14:005moderate30 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Rio Largo

The UV Index experiences significant seasonal changes, indicating the intensity of ultraviolet radiation and its potential health risks. During the winter months (January to March) and early spring (April), the UV Index remains consistently high at 14, classified as extreme, with a quick burn time of just 10 minutes. As summer approaches, particularly in June and July, the UV Index drops slightly to 10, categorized as very high, allowing for a slightly longer burn time of 15 minutes. However, in late summer to early fall (August to October), the Index rebounds to extreme levels again, peaking at 13 in September and October. Notably, November and December revert to extreme UV levels of 14. Given these high UV readings, visitors and residents are strongly advised to exercise caution, wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade, especially during peak hours from 10 a.m. to 4 p.m.

Monthly Maximum UV Index for Rio Largo, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rio Largo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141414131210101213131414
Data source: Statistical UV Index data for Rio Largo, 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 Rio Largo UV Index with Other Brazil Cities

The table above highlights how UV exposure in Rio Largo 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.
Rio Largo'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
Rio Largo141414141210101213131414
Fortaleza UVI141415151311111213131313