UV Index in Santiago del Estero, Argentina

Last updated: May 3, 2025

In Santiago del Estero, Argentina, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the daily UV levels can help you take necessary precautions against harmful solar radiation, especially during peak hours when the sun's intensity is at its highest. With a BSh climate characterized by warm conditions, residents face increased exposure risks, particularly between 11 AM and 3 PM when UV levels can soar to 7. Staying informed about the UV Index is essential for enjoying the sun safely while protecting your skin from long-term damage.

Hourly UV Index in Santiago del Estero

During the day, the UV Index follows a dynamic pattern, peaking in the early afternoon. At 07:00, the index begins at a safe 0, gradually rising to 1 by 08:00. As the sun climbs higher, the values increase steadily—reaching 2 at 10:00 and then escalating to 4 by 11:00. The intensity spikes at 12:00, soaring to 6, before peaking at an impressive 7 at 13:00. The UV levels then begin to taper off, decreasing to 6 at 14:00 and further dropping to 5 by 15:00. As the afternoon wanes, the index declines to 3 at 16:00, and finally settles back at 1 by 17:00 and 18:00, before returning to 0 by 19:00. This hourly data highlights the importance of sun safety, especially during those peak hours when UV exposure is highest.

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
11:004moderate30 min
12:006high25 min
13:007high25 min
14:006high25 min
15:005moderate30 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Santiago del Estero

The UV Index experiences significant fluctuations throughout the year, with the highest values peaking during the winter months. January, February, and March are particularly high-risk months, each with an extreme UV Index of 15 to 13, resulting in a rapid burn time of just 10 minutes. Following this, April transitions to a very high exposure level with a UV Index of 10, where the burn time increases to 15 minutes. By late spring and summer, the UV Index starts to moderate, with values dropping to 7 in May, July, and August, and a burn time of 25 minutes. As the year progresses into fall, the UV Index again reaches very high levels in September (UV Index 10) and climbs back to extreme in October (UV Index 12) and November, returning to 15 in December. Visitors and residents should exercise caution and practice sun safety during these high-risk months, such as applying sunscreen, wearing protective clothing, and limiting sun exposure, particularly during peak hours.

Monthly Maximum UV Index for Santiago del Estero, Argentina

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santiago del Estero. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec15131210756710121515
Data source: Statistical UV Index data for Santiago del Estero, 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 Santiago del Estero UV Index with Other Argentina Cities

The table above highlights how UV exposure in Santiago del Estero 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.
Santiago del Estero's solar exposure compared to other cities in Argentina. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Buenos Aires UVI141311754468101314
Rosario UVI141311854468111314
Mendoza UVI151412864569121415
Cordoba UVI151312964579121415
Santiago del Estero15141310756710121515
San Miguel de Tucuman UVI15141310756710131515