UV Index in Rio Branco, Uruguay

Last updated: August 1, 2025

In Rio Branco, Uruguay, understanding the UV Index is crucial for safeguarding your skin and overall health. With high UV levels peaking around midday, residents and visitors must stay informed to prevent sunburn and long-term skin damage. The city’s temperate Cfa climate means moderate but concerning UV exposure, especially between 11:00 AM and 2:00 PM when the index reveals values reaching 4. By monitoring the UV Index, you can enjoy the outdoors while taking vital precautions to protect yourself from harmful rays. Stay aware, stay safe!

Hourly UV Index in Rio Branco

The UV Index today starts low, with maximum values reaching 0 by 7:00 AM. As the sun rises, it gradually climbs to 1 at 8:00 AM and stays steady until 9:00 AM. By 10:00 AM, the index jumps to 2, marking the onset of more direct sunlight. The UV exposure peaks at 4 from 12:00 PM to 14:00 PM, signaling a critical time for sun protection. Following this peak, it dips back to 2 at 15:00 PM before easing further to 1 by 16:00 PM. Finally, the day wraps up with 0 UV exposure by 19:00 PM, making the late afternoon a much safer time for outdoor activities. Don't forget to apply sunscreen during the midday 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
10:003moderate30 min
11:005moderate30 min
12:006high25 min
13:006high25 min
14:005moderate30 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Rio Branco

Throughout the year, UV Index levels vary significantly, with the highest values occurring in the winter months. From January to March, the UV Index consistently peaks at 14 to 12, placing these months in the extreme exposure category where unprotected skin may burn within 10 minutes. Following this, April sees a decrease to 8, categorized as very high, with a burn time of 15 minutes. By May and June, the index drops to moderate levels of 5 and 4, allowing for safer sun exposure at about 30 minutes for unprotected skin. However, as summer transitions to fall, September and October witness a rise again to 9 and 11, categorized as very high and extreme respectively, with burn times of 15 and 10 minutes. November and December return to extreme levels, mirroring the beginning of the year. Visitors and residents are strongly advised to prioritize sun protection, especially from January through March and during October and November, by wearing sunscreen, protective clothing, and seeking shade when necessary to mitigate the risks associated with high UV exposure.

Monthly Maximum UV Index for Rio Branco, Uruguay

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rio Branco. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141312854469111314
Data source: Statistical UV Index data for Rio Branco, 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 Branco UV Index with Other Uruguay Cities

The table above highlights how UV exposure in Rio Branco compares to other major locations across Uruguay. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Rio Branco's solar exposure compared to other cities in Uruguay. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Las Piedras UVI141311753468101314
Montevideo UVI141311753468101314
Paysandu UVI151311854468111314
Rio Branco141312854469111314
Salto UVI151312854569111314
Rivera UVI151412954579121415