UV Index in San Lorenzo, Peru

Last updated: May 3, 2025

Understanding the UV Index in San Lorenzo, Peru is crucial for protecting your skin and overall health. With high solar exposure typical of the region's tropical climate, knowing the UV levels can help you prevent painful sunburns and long-term skin damage. During peak hours, the UV Index can soar to 13, indicating a very high risk of harm from unprotected sun exposure. As you enjoy the beautiful outdoors, staying informed about UV intensity not only enhances your sun safety but also promotes a healthier lifestyle in this vibrant coastal enclave.

Hourly UV Index in San Lorenzo

The UV Index (UVI) begins its ascent at 07:00, reaching a modest 1, but as the sun climbs higher, so does the intensity. By 09:00, it hits 6, pushing outdoor enthusiasts to take notice. The peak occurs at 12:00, where the UVI soars to a scorching 13, indicating the need for sun protection. This high level remains at 12 until 13:00, before gradually tapering off to 9 by 14:00. As the afternoon progresses, the UVI then dips to 5 at 15:00, and continues to decline, hitting 2 at 16:00. Finally, the day winds down with the UVI falling to 1 by 17:00, and then sinking to 0 after 18:00, offering a reprieve from the sun's harsh rays for the evening.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Lorenzo

Throughout the year, UV Index levels remain consistently high, categorized as extreme, which means that burn times are limited to just 10 minutes regardless of the month. The highest UV Index readings occur from January to April, peaking at 16, indicating that these months represent a significant risk for sunburn. May through August see a slight decrease, yet still maintain UV Index values between 11 and 13, sustaining a high-risk environment. Meanwhile, September to December experiences a marginal drop, with values stabilizing around 14 to 13. Visitors and residents should exercise caution during all months, prioritizing sun protection measures such as applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade to mitigate the risks of prolonged sun 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.

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