UV Index in Las Rosas, Argentina

Last updated: June 2, 2025

Awareness of the UV Index is crucial for residents of Las Rosas, Argentina, where the climate’s warm and humid conditions can lead to significant sun exposure. Understanding UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. With typical daily peaks reaching a UV Index of 4 around midday, the risks of UV-related health issues are heightened, particularly for those engaging in outdoor activities. By staying informed about UV fluctuations throughout the day, you can better protect yourself and your loved ones from potential harm, ensuring that your summer days remain enjoyable and safe.

Hourly UV Index in Las Rosas

At dawn, the UV Index remains nonexistent until 8:00 AM, when it registers a low 1, gradually climbing as the day unfolds. By 10:00 AM, it reaches 2, and as the sun reaches its zenith at 12:00 PM, the index peaks at a moderate 4. This peak is maintained until 2:00 PM, where the sun’s intensity persists, before gradually tapering off in the afternoon. At 3:00 PM, the UV Index drops back down to 3, continuing its decline to 1 by 5:00 PM, and ultimately settling back to 0 by 6:00 PM. As evening approaches, the UV radiation fades, highlighting the importance of sun protection during those midday hours when it’s most potent.

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
13:004moderate30 min
14:004moderate30 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Las Rosas

Throughout the year, UV index levels fluctuate significantly, indicating periods of heightened sun exposure risk. January, February, March, October, November, and December are the high-risk months, with extreme UV levels (UV Index 14-11) and rapid burn times as short as 10 minutes. In contrast, during April and September, the UV index drops slightly to 8, falling into the very high category, requiring vigilance with a burn time of 15 minutes. The summer months of May, June, and July see a moderate UV index, allowing for safer exposure of 30 minutes, while August experiences a transition to a high risk level with a UV index of 6. It is crucial for both visitors and residents to take appropriate sun safety measures during these high UV index periods, including wearing sunscreen, protective clothing, and seeking shade during peak hours.

Monthly Maximum UV Index for Las Rosas, Argentina

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Las Rosas. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec141311854469111414
Data source: Statistical UV Index data for Las Rosas, 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 Las Rosas UV Index with Other Argentina Cities

The table above highlights how UV exposure in Las Rosas compares to other major locations across Argentina. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Las Rosas's solar exposure compared to other cities in Argentina. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Buenos Aires UVI141311754468101314
Rosario UVI141311854468111314
Las Rosas141311854468111414
Mendoza UVI151412864569121415
Cordoba UVI151312964579121415
San Miguel de Tucuman UVI15141310756710131515