UV Index in Santiago de Cao, Peru

Last updated: July 2, 2025

Being aware of the UV Index is crucial for residents and visitors in Santiago de Cao, Peru. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in maintaining long-term skin health. Given the region's BWh climate, Santiago de Cao experiences high UV exposure, particularly during midday when the index can soar to an intense 11. As the sun reaches its peak between 11:00 AM and 1:00 PM, knowing how to protect yourself from harmful UV rays is essential for enjoying the outdoors while safeguarding your skin.

Hourly UV Index in Santiago de Cao

The UV Index throughout the day showcases a dynamic pattern, peaking sharply during midday hours. At 07:00, the index starts low at 1, indicating minimal risk. As the sun rises, it climbs to 2 at 08:00 and rapidly escalates to 4 by 09:00. By 10:00, the intensity reaches 7, but the real intensity hits at 12:00 with a maximum of 11, signifying a high risk of harm from unprotected sun exposure. Though it dips slightly to 10 at 13:00, the index begins to retreat, dropping to 8 at 14:00, followed by a more gradual decrease to 5 at 15:00. As the sun sets, the index falls to 3 by 16:00, and then drops to 1 by 17:00, settling at a low 0 by 19:00. This data serves as a vital reminder for sun safety, especially during 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	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 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 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