UV Index in San Lorenzo, Peru

Last updated: June 2, 2025

Understanding the UV Index in San Lorenzo, Peru, is crucial for anyone who loves the outdoors, especially in this Aw climate zone, where sunlight can be intense. With peak UV levels soaring to a critical 12 around midday, awareness of these indices is vital for preventing sunburn and protecting long-term skin health. As the sun’s rays intensify, especially between 10 AM and 2 PM, knowing the UV exposure risks can help you enjoy the stunning landscapes of San Lorenzo while minimizing potential harm. Stay informed, protect your skin, and enjoy the beauty of your surroundings safely!

Hourly UV Index in San Lorenzo

The UV Index today paints a vivid picture of the sun's intensity throughout the hours. Starting at a mild 1 by 07:00, it gradually rises to 12 at 12:00, marking the peak of solar strength. As the clock strikes 11:00, sun-seekers should be cautious, with the index reaching 11. After this zenith, it begins to dip, descending to 6 by 15:00 and tapering off to a gentle 1 by 17:00. Finally, as daylight wanes, the index drops to 0 by 19:00, signaling the day's end. Stay protected during the peak hours, especially between 10:00 and 14:00, when the sun’s rays are most formidable! 🌞

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
08:002low45 min
09:005moderate30 min
10:008very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0011extreme10 min
14:009very high15 min
15:006high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in San Lorenzo

Throughout the year, the UV Index remains consistently extreme, with particularly high levels from January to April, peaking at 17. February and March are notably high-risk months, maintaining a UV Index of 16 and 17, respectively, requiring vigilance. Visitors and residents should take precautions during these months, as the burn time is just 10 minutes across all months due to the persistent extreme exposure. As the year progresses, while the UV Index slightly diminishes to a low of 12 in June and July, it remains critical to protect your skin. It is essential to wear protective clothing, use high-SPF sunscreen, and seek shade during peak sunlight hours year-round to mitigate the risks associated with extreme UV exposure.

Monthly Maximum UV Index for San Lorenzo, Peru

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Lorenzo. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161617171412121315161514
Data source: Statistical UV Index data for San Lorenzo, 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 Lorenzo UV Index with Other Peru Cities

The table above highlights how UV exposure in San Lorenzo 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 Lorenzo'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
San Lorenzo161617171412121315161514
Arequipa UVI181717151210111315171817