UV Index in San Pedro, Peru

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of San Pedro, Peru, where the tropical climate can lead to high levels of ultraviolet radiation. With such exposure, it's vital to stay informed about UV levels to prevent sunburn and protect skin health. Typically, the UV Index in San Pedro peaks around midday, reaching levels as high as 12, which poses significant risks for skin damage. By being aware of these levels, you can take proactive steps to shield yourself from harmful rays and enjoy the beautiful sunny days in this vibrant locale.

Hourly UV Index in San Pedro

The UV Index for the day shows a dramatic shift as the sun climbs higher, reaching its peak at noon with a value of 12, indicating a very high level of UV radiation. The sun's intensity begins to ramp up sharply from 8:00 AM, where it starts at a mild 2, climbing to a notable 11 by 11:00 AM. By 1:00 PM, the UV Index remains steady at 12, reminding everyone to take necessary precautions. As the afternoon progresses, the index gradually declines, with values dropping to 6 by 3:00 PM, and tapering off to 1 by 5:00 PM. By 7:00 PM, the rating falls to a mere 0, signaling a safe return outdoors as daylight fades. Remember to shield yourself during those peak hours!

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	4	moderate	30 min
10:00	8	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in San Pedro

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 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
San Pedro	16	16	17	17	14	12	12	13	15	16	15	14
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17