UV Index in San Bartolo, Peru

Last updated: August 1, 2025

In the sun-soaked coastal town of San Bartolo, Peru, being aware of the UV Index is essential for safeguarding your skin while enjoying the outdoors. Understanding UV levels plays a crucial role in sunburn prevention and long-term skin health, especially as the region experiences high UV exposure throughout the year. With a typical climate classified as BWh, San Bartolo faces notable risks from ultraviolet rays, peaking at a striking UV index of 10 around noon. This awareness empowers residents and visitors alike to take necessary precautions, ensuring a safe and enjoyable experience under the brilliant Peruvian sun.

Hourly UV Index in San Bartolo

The UV Index throughout the day presents a compelling narrative of sun exposure, peaking at a staggering 10 at 12:00 PM, indicating a need for caution. As the sun rises, the UV Index gradually climbs from 1 at 7:00 AM to a notable 4 by 9:00 AM. The ascent continues, reaching 9 by 11:00 AM, before hitting its maximum at noon. However, as the afternoon progresses, the intensity wanes, with readings dropping to 7 by 2:00 PM and eventually falling to 1 by 5:00 PM. As twilight approaches, the Index dips to 0 after 6:00 PM, promising safe evening conditions. Engaging with the sun requires awareness; ensure you're protected 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	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	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 Bartolo

Throughout the year, the UV Index remains particularly high, reflecting the need for care in sun exposure. The high-risk months are primarily from January to April, where the UV Index peaks at 15 in January, February, and November, falling only slightly in other months to 14 or 13. May sees a downward trend to 11, transitioning to very high levels of 10 in June and July, then returning to extreme levels until October. With burn times as low as 10 minutes during peak months, it is crucial for both visitors and residents to take protective measures, such as wearing sunscreen with high SPF, seeking shade, and wearing protective clothing, particularly during these high-risk months. As UV exposure can result in serious skin damage, vigilance is recommended year-round.

Monthly Maximum UV Index for San Bartolo, Peru

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Bartolo. 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 Bartolo, 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 Bartolo UV Index with Other Peru Cities

The table above highlights how UV exposure in San Bartolo 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 Bartolo'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
San Bartolo	15	14	14	13	11	10	10	11	13	14	15	14
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