UV Index in Santiago de Cao, Peru

Last updated: May 3, 2025

In Santiago de Cao, Peru, being aware of the UV Index is vital for safeguarding your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, particularly in a region characterized by a hot semi-arid climate (BWh) where UV exposure can soar. With peak UV Index readings reaching a high of 12 around midday, it’s crucial to monitor these levels closely to enjoy outdoor activities safely. By staying informed about the UV Index, you can make confident decisions to protect yourself and your loved ones from the sun's harmful effects.

Hourly UV Index in Santiago de Cao

As the sun rises, the UV Index begins its gentle ascent starting from 1 at 07:00. By 09:00, it climbs to a moderate 4, signaling a need for some sun safety. The heat of the day reaches its peak around 12:00, where the index soars to an intense 12, urging everyone to seek shade and apply sunscreen. Throughout the afternoon, it gradually descends, with readings of 11 at 13:00, 8 at 14:00, and 5 at 15:00. By the evening, the UV threat diminishes significantly, dropping to 2 by 16:00, and falling to 1 by 17:00. Finally, as night approaches, the index retreats to 0 by 18:00, offering a gentle reminder of sun safety throughout the day.

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	10	very high	15 min
12:00	12	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 Santiago de Cao

Throughout the year, the UV Index remains extremely high, particularly from January to May, where it consistently registers at 15. April marks a slightly lower yet still intense UV Index of 14, followed by May and June at 12 and 11, respectively. The UV Index remains elevated during the summer months, with July and August stabilizing at 11. In the fall, September experiences a spike to 13 before returning to 14 from October to December. Given these persistent and extreme UV levels, it is crucial for both visitors and residents to take precautionary measures. Wear protective clothing, apply broad-spectrum sunscreen, and limit sun exposure, especially during peak hours, to minimize the risk of skin damage.

Monthly Maximum UV Index for Santiago de Cao, Peru

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

The table above highlights how UV exposure in Santiago de Cao 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.

Santiago de Cao'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
Santiago de Cao	15	15	15	14	12	11	11	11	13	14	14	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