UV Index in Treinta y Tres, Uruguay

Last updated: August 1, 2025

Understanding the UV Index in Treinta y Tres, Uruguay is crucial for safeguarding your skin and overall health. High levels of ultraviolet radiation can lead to painful sunburns and increase the risk of skin cancer, making it essential to stay informed about daily UV levels. Treinta y Tres, with its Cfa climate characterized by warm summers and mild winters, can pose significant UV exposure risks, particularly during midday hours. By keeping an eye on the UV Index, you can plan outdoor activities wisely and protect yourself from harmful effects, ensuring fun in the sun without compromising your skin health.

Hourly UV Index in Treinta y Tres

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 Treinta y Tres

The UV Index experiences significant fluctuations throughout the year, with high-risk months typically occurring between January and March and returning in October and November, all classified as having an extreme exposure category and a rapid burn time of just 10 minutes. April marks a transition to a very high index, making it essential for outdoor activity precautions. As the index moderates in the warmer months of May to July with a category ranging from moderate to high, the burn time increases, allowing for more prolonged exposure. However, August and September see a return to a very high level in September, reminding residents and visitors to remain vigilant. To minimize the risk of sunburn and long-term skin damage, it is crucial to wear protective clothing, apply sunscreen regularly, and seek shade, particularly during the hours of peak UV intensity.

Monthly Maximum UV Index for Treinta y Tres, Uruguay

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Treinta y Tres. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151312854468111314
Data source: Statistical UV Index data for Treinta y Tres, 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 Treinta y Tres UV Index with Other Uruguay Cities

The table above highlights how UV exposure in Treinta y Tres 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.
Treinta y Tres's solar exposure compared to other cities in Uruguay. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Las Piedras UVI141311753468101314
Montevideo UVI141311753468101314
Treinta y Tres151312854468111314
Paysandu UVI151311854468111314
Salto UVI151312854569111314
Rivera UVI151412954579121415