UV Index in Alto Araguaia, Brazil

Last updated: July 2, 2025

In Alto Araguaia, Brazil, awareness of the UV Index is crucial for maintaining skin health amidst its warm, tropical Aw climate. Understanding UV levels helps residents and visitors alike to prevent sunburns and reduce the risk of long-term skin damage. With UV exposure peaking between 10 AM and 2 PM—reaching a maximum index of 9—it's important to stay informed about daily UV fluctuations to enjoy the sun safely while protecting your skin. Make the most of your time outdoors by checking the UV Index and taking protective measures when necessary!

Hourly UV Index in Alto Araguaia

The UV Index throughout the day reveals a pronounced peak in sunlight intensity, especially between 11:00 AM and 1:00 PM, where it reaches a maximum of 9. This indicates the highest risk of harm from unprotected sun exposure during these hours. Starting from 8:00 AM, the index climbs steadily, highlighting the importance of sun safety measures as it reaches 5 at 9:00 AM and escalates to 7 by 10:00 AM. As the afternoon progresses, a noticeable decline occurs with values dropping to 5 at 2:00 PM and further falling to 3 by 3:00 PM, before tapering off to 1 by late afternoon. By 6:00 PM, the UV Index diminishes to 0, signifying safe conditions for outdoor activities. 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
09:005moderate30 min
10:007high25 min
11:009very high15 min
12:009very 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 Alto Araguaia

The UV Index experiences extreme levels during the first half of the year, peaking at 17 in February and remaining high through March and April. As the summer approaches, the UV Index decreases slightly, with very high levels recorded in May through July, and then returning to extreme levels in August and September. The high-risk months for UV exposure are therefore from January to April and again from August to November, where burn times can be as low as 10 minutes. Residents and visitors are advised to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, especially in these critical months. Proper awareness and safety measures can help mitigate the risks associated with high UV exposure.

Monthly Maximum UV Index for Alto Araguaia, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Alto Araguaia. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec1716141210891112151616
Data source: Statistical UV Index data for Alto Araguaia, 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 Alto Araguaia UV Index with Other Brazil Cities

The table above highlights how UV exposure in Alto Araguaia 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.
Alto Araguaia'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
Alto Araguaia1617141210891112151616
Fortaleza UVI141415151311111213131313