UV Index in San Pedro, Peru

Last updated: July 2, 2025

Understanding the UV Index in San Pedro, Peru is crucial for ensuring your skin's health and preventing painful sunburns. With a BWh climate characterized by intense sunlight, San Pedro experiences significant UV exposure particularly around midday when the index peaks at 12—a level that necessitates protective measures. By staying informed about daily UV levels, residents and visitors alike can make smart choices about sun protection, safeguarding against the long-term effects of sun damage while enjoying the beautiful, sunny days that San Pedro has to offer.

Hourly UV Index in San Pedro

Throughout the day, the UV Index experiences a dramatic rise and fall, peaking at 12 between noon and 1 PM. Early in the morning, from 7 AM to 9 AM, the index remains low, with values around 1 to 4, making it a safe time for outdoor activities. However, as the sun climbs higher, the index surges to 11 at 11 AM, warning of very high UV exposure. This intensity reaches its zenith at 12 PM, urging everyone to seek shade and protect their skin. Fortunately, the index starts to decline after 2 PM, dropping to 3 by 4 PM and falling to 0 by evening. Remember these fluctuations when planning your outdoor adventures to ensure you're prepared for the sun's intensity!

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	7	high	25 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 alarmingly high, with all months falling under the extreme exposure category. January to March sees the peak UV Index reaching 17, indicating significant risk of harm from unprotected sun exposure, with a quick burn time of just 10 minutes. While the index slightly decreases to 12-14 in the summer months, the danger remains substantial, particularly during the high-risk months from January to March. Residents and visitors are advised to take extreme precautions, wearing protective clothing, applying sunscreen frequently, and limiting outdoor activities during peak sunlight hours to avoid severe skin damage.

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