UV Index in San Pedro, Peru

Last updated: July 2, 2025

Understanding the UV Index in San Pedro, Peru is crucial for protecting your skin and overall health in this beautiful, high-altitude climate. With daily averages showing significant UV levels, especially from noon to early afternoon, awareness of these factors can help you effectively prevent sunburn and long-term skin damage. San Pedro's unique climate not only exposes residents and visitors to intense sunlight, but also elevates the risk of harmful UV radiation. Tune in to the UV Index and safeguard your skin while enjoying the vibrant outdoor lifestyle that San Pedro has to offer!

Hourly UV Index in San Pedro

Throughout the day, the UV Index experiences a notable ascent, peaking at 13 between 12:00 PM and 1:00 PM, signaling a potential for strong sun exposure. The morning starts off gently with a maximum of only 1 at 7:00 AM, then advances to 5 by 9:00 AM. Sun-seekers should be cautious as the index soars to 12 by 11:00 AM, indicating high risk for harm from unprotected sun exposure. After its zenith, the index gradually declines to 8 at 2:00 PM, then follows with a steady decrease to 0 by 7:00 PM, marking the end of intense UV exposure. As the day wraps up, it's clear that midday sun is best approached with protection in place!

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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Pedro

From January to March, the region experiences extreme UV Index levels, peaking at 20 in March, presenting a burn time of just 10 minutes—the highest risk of skin damage occurs during these months. As we transition into summer, the UV Index slightly decreases, maintaining an extreme rating but dropping to 11 in June before rising again in late summer and early fall, ultimately reaching 18 in October. Notably, November and December also have UV levels at 19, indicating high risk. Visitors and residents should remain vigilant and take precautionary measures such as wearing protective clothing, applying sunscreen, and seeking shade, particularly during the peak months from January through March and from October through December, when the risk of sunburn and UV exposure is greatest.

Monthly Maximum UV Index for San Pedro, Peru

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Pedro. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for San Pedro, 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 Pedro UV Index with Other Peru Cities

The table above highlights how UV exposure in San Pedro 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 Pedro's solar exposure compared to other cities in Peru. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Callao UVI	14	14	14	12	10	9	10	11	12	13	14	13
Lima UVI	14	14	14	12	10	9	10	11	12	13	14	13
Trujillo UVI	15	15	15	14	12	11	11	11	13	14	14	14
Chiclayo UVI	14	15	15	14	13	11	11	12	15	14	14	13
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17
San Pedro	19	19	20	17	13	11	13	14	16	18	19	19