UV Index in San Juan de Iris, Peru

Last updated: August 1, 2025

In San Juan de Iris, Peru, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can help you prevent sunburn, reduce the risk of skin cancer, and maintain optimal skin health, especially during the intense midday sun. With a BSk climate characterized by high-altitude exposure, residents and visitors alike face significant UV risks, peaking at an alarming 14 between noon and 1 PM. By staying informed about UV levels, you can enjoy the beautiful sunshine while protecting your skin from harmful effects.

Hourly UV Index in San Juan de Iris

As the day unfolds, the UV Index makes a notable journey. Beginning at a modest 1 at 07:00, the intensity ramps up swiftly. By 09:00, it hits 5, but the real peak arrives at 12:00 with a powerful 14, signaling the need for sun protection. The sun reaches its zenith at 11:00 with a 12, and a slight decline occurs as we move into the afternoon, dropping to 10 by 14:00. Gradually, the UV levels retreat, falling to 6 at 15:00, and further down to 3 by 16:00. Finally, relief comes as the sun begins to set, with the index sinking to 1 at 17:00 and 0 by 18:00, marking the end of a day filled with vibrant solar energy.

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
07:001low45 min
08:003moderate30 min
09:006high25 min
10:0010very high15 min
11:0014extreme10 min
12:0015extreme10 min
13:0014extreme10 min
14:0010very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in San Juan de Iris

The UV Index exhibits extreme levels of exposure year-round, with values frequently peaking between 19 and 20. The highest risk months are January, February, March, and November when the UV Index consistently reaches 20, indicating a burn time of just 10 minutes. Even during the summer months, such as June to August, the UV Index remains notably high, ranging from 13 to 15. Therefore, it is crucial for both visitors and residents to take necessary precautions throughout the year, especially in the peak UV months. Wearing sunscreen, protective clothing, and limiting sun exposure during peak hours are essential steps to safeguard against harmful UV radiation.

Monthly Maximum UV Index for San Juan de Iris, Peru

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Juan de Iris. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec201920181413141517182020
Data source: Statistical UV Index data for San Juan de Iris, 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 San Juan de Iris UV Index with Other Peru Cities

The table above highlights how UV exposure in San Juan de Iris compares to other major locations across Peru. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
San Juan de Iris's solar exposure compared to other cities in Peru. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Callao UVI14141412109101112131413
Lima UVI14141412109101112131413
Trujillo UVI151515141211111113141414
Chiclayo UVI141515141311111215141413
Arequipa UVI181717151210111315171817
San Juan de Iris201920181413141517182018