UV Index in Uruguaiana, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents of Uruguaiana, Brazil, where the subtropical climate brings unique sun exposure risks. Awareness of UV levels can play a vital role in preventing sunburn and protecting your skin health. With UV Index readings peaking at 5 during midday, it's essential to take precautions to minimize harmful effects. Uruguaiana's typical weather patterns mean that whether you're enjoying outdoor activities or simply spending time in the sun, knowing how to manage UV exposure can safeguard you and your loved ones from skin damage. Stay informed, stay protected!

Hourly UV Index in Uruguaiana

The UV Index data throughout the day reveals an intriguing pattern of sun exposure. Starting off at a cool 0 at 7 AM, the index gradually climbs, reaching 1 by 8 AM and remaining steady until it hits 2 at 10 AM. The intensity peaks at 12 PM with a robust 4, and the highest reading of 5 occurs at 1 PM, signaling the sun’s strongest rays. As the afternoon unfolds, the UV levels begin to decline, dropping to 4 at 2 PM and further decreasing to 3 by 3 PM. The sun's influence wanes significantly as evening approaches, plummeting to 0 by 6 PM. This hourly data serves as a helpful reminder for sun safety, especially during the midday hours when UV exposure is at its highest.

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
07:000low45 min
08:001low45 min
09:001low45 min
10:002low45 min
11:003moderate30 min
12:004moderate30 min
13:005moderate30 min
14:004moderate30 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Uruguaiana

The UV Index in this region displays significant seasonal variations, peaking in the winter months with extreme exposure levels. From January to March, the UV Index remains alarmingly high (ranging from 14 to 15), indicating high-risk months for sunburn with a burn time of just 10 minutes. As spring arrives in April, the index drops slightly to 9 (very high), allowing for a longer burn time of 15 minutes. During the summer months of June and July, the UV Index stabilizes around 5 (moderate), providing somewhat safer conditions with 30 minutes of burn time. However, it rises again in August at 7 (high) and returns to 9 in September (very high). As autumn transitions to winter, October, November, and December re-enter extreme levels with UV indices between 12 and 14 (10-minute burn times). Visitors and residents are advised to take precautions, using sunscreen, wearing protective clothing, and seeking shade, particularly during the high-risk months from January to March and again in October to December.

Monthly Maximum UV Index for Uruguaiana, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Uruguaiana. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151412965579121414
Data source: Statistical UV Index data for Uruguaiana, 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 Uruguaiana UV Index with Other Brazil Cities

The table above highlights how UV exposure in Uruguaiana 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.
Uruguaiana's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Uruguaiana151412965579121414
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313