UV Index in Mendoza, Argentina

Last updated: July 2, 2025

Understanding the UV Index in Mendoza, Argentina is crucial for protecting your skin and maintaining overall health. With the region's arid BWk climate, residents and visitors alike are frequently exposed to intense sunlight, especially during peak hours. By staying informed about UV levels, you can prevent sunburn and long-term skin damage, ensuring your outdoor adventures are safe and enjoyable. During the warm months, UV Index values can rise to a notable 5 by mid-afternoon, making awareness and proactive measures essential for skin health in this sun-drenched landscape.

Hourly UV Index in Mendoza

The UV Index data reveals an intriguing fluctuation throughout the day. Early morning hours from 07:00 to 09:00 see the UV Index lingering at a comfortable 0-1, indicating minimal risk. As the day progresses, a gentle rise occurs, peaking at 12:00 and 13:00, where the index reaches a moderate 4-5—a reminder to seek shade and wear protection. The afternoon sun then begins to mellow, as the UV levels dip back to 3 by 16:00 and continue to ease into the evening, eventually returning to 0 by 19:00. This data highlights the importance of staying vigilant during peak hours, especially between 11:00 and 15:00 when protection is most crucial.

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

Monthly UV Index Trends in Mendoza

During the year, the UV Index experiences significant fluctuations, peaking in the winter months of January, February, and December with an extreme index of 15, indicating a rapid potential for skin damage with a burn time of just 10 minutes. The transition to spring brings a gradual decline, with March maintaining an extreme rating of 12 before dropping to 8 in April, categorized as very high. As summer approaches, the risk decreases slightly, with June and July recorded at 4 and 5, respectively, both considered moderate, allowing for longer exposure times of 30 minutes. However, caution is advised during August and September when the index rises again to 6 and 9, respectively, with high and very high ratings. The season closes with another spike in UV levels in October and November, returning to an extreme category. Residents and visitors should remain vigilant, especially from January to March and again in October to November, taking necessary precautions such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to mitigate the risk of UV-related health issues.

Monthly Maximum UV Index for Mendoza, Argentina

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Mendoza. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151412864569121415
Data source: Statistical UV Index data for Mendoza, 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 Mendoza UV Index with Other Argentina Cities

The table above highlights how UV exposure in Mendoza 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.
Mendoza's solar exposure compared to other cities in Argentina. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Buenos Aires UVI141311754468101314
Rosario UVI141311854468111314
Mendoza151412864569121415
Cordoba UVI151312964579121415
San Miguel de Tucuman UVI15141310756710131515