UV Index in Santa Elena, Argentina

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Santa Elena, Argentina, where the climate is classified as Cfa, featuring warm summers and mild winters. Monitoring UV levels is vital for preventing sunburn and protecting skin health, particularly during midday hours when ultraviolet radiation peaks. With UV Index readings rising to 5 during the day, it’s essential to take proactive measures against excessive sun exposure, especially in this region known for its sunny days. Knowing when to seek shade or apply sunscreen can make a significant difference in maintaining skin safety and wellness under the Argentine sun.

Hourly UV Index in Santa Elena

The UV Index throughout the day reveals a dynamic pattern of solar intensity. Starting with a maximum of 0 at 7 AM, it gradually rises to a moderate 5 at 1 PM, where the sun shines its strongest. By 12 PM, the UV Index hits 4, prompting the need for sun protection. The intensity begins to taper off in the afternoon, dropping to 3 by 3 PM, and further decreasing to 1 by 5 PM. As twilight approaches, the UV Index settles back to 0 by 7 PM, signaling the end of the day's sun exposure. Plan accordingly, especially during those peak 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
07:000low45 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
16:002low45 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Santa Elena

Throughout the year, the UV Index displays significant seasonal changes, with the highest levels occurring during the winter months. From January to March, the UV Index peaks at 15, indicating an extreme risk of harm from unprotected sun exposure, with a burn time as short as 10 minutes. The high-risk months continue into November and December, where the index remains at 14 with the same critical exposure timeframe. During the shoulder months of April and September, the index drops to 9, categorized as very high, allowing for slightly longer safe exposure times of 15 minutes. Summer months see a decline in UV levels, with May to July showing indices between 4 and 6, categorized as moderate to high, permitting up to 30 minutes of safe exposure. Visitors and residents are strongly advised to protect themselves with sunscreen, appropriate clothing, and seek shade, particularly during the peak months of January, February, March, October, November, and December to mitigate the risks associated with extreme UV exposure.

Monthly Maximum UV Index for Santa Elena, Argentina

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santa Elena. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151312964569111414
Data source: Statistical UV Index data for Santa Elena, 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 Santa Elena UV Index with Other Argentina Cities

The table above highlights how UV exposure in Santa Elena 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.
Santa Elena's solar exposure compared to other cities in Argentina. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Buenos Aires UVI141311754468101314
Rosario UVI141311854468111314
Santa Elena151312964569111414
Mendoza UVI151412864569121415
Cordoba UVI151312964579121415
San Miguel de Tucuman UVI15141310756710131515