UV Index in Loreto, Argentina

Last updated: July 2, 2025

In Loreto, Argentina, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps in preventing sunburn and minimizing long-term skin damage, especially in a region characterized by a Cfa climate that can lead to significant sun exposure. With the UV Index peaking at 6 around midday, residents and visitors alike should take precautions during peak hours to enjoy the Sun's benefits while protecting themselves from harmful effects. Stay informed, stay protected, and make the most of your time in this beautiful locale!

Hourly UV Index in Loreto

The UV Index throughout the day showcases a clear pattern of intensity that varies with the sun's position. Starting at a maximum of 0 at 07:00, the index gradually increases, reaching 1 by 08:00 and 09:00. The warmth of the day becomes more pronounced around 10:00, with a spike to 2, and by 11:00, it climbs to 4. The peak intensity occurs at 13:00, hitting 6, before tapering off to 5 at 14:00. As the afternoon wanes, the UV Index decreases to 3 by 15:00, 2 at 16:00, and eventually returns to 1 at 17:00 and 18:00. By 19:00, it drops back to 0, marking the end of a day where sun safety awareness is crucial during those peak hours, especially from 11 AM to 3 PM.

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
12:005moderate30 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 Loreto

Throughout the year, the UV Index demonstrates significant seasonal changes, with extreme levels observed from January to March and again in October to December. The highest risk months are January, February, March, October, November, and December, all classified under an extreme exposure category, necessitating vigilant sun protection as the burn time is as short as 10 minutes. Transitioning into April and September, UV levels remain very high, allowing for slightly longer safe exposure times of 15 minutes. Moving into the warmer months of May to August, the risk decreases to high and moderate categories, with burn times extending to 25-30 minutes. Visitors and residents are strongly advised to take appropriate precautions, including wearing sunscreen and protective clothing, especially during the peak months, to minimize the risk of skin damage and ensure safe outdoor enjoyment.

Monthly Maximum UV Index for Loreto, Argentina

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Loreto. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec15131210656710131414
Data source: Statistical UV Index data for Loreto, 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 Loreto UV Index with Other Argentina Cities

The table above highlights how UV exposure in Loreto 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.
Loreto'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
Loreto15131210656710131414
San Miguel de Tucuman UVI15141310756710131515