UV Index in Cajacay, Peru

Last updated: May 3, 2025

Understanding the UV Index in Cajacay, Peru is crucial for ensuring your skin health and preventing sunburns, especially in this high-altitude region where the sun's rays are more intense. With a climate categorized as ET, Cajacay experiences significant UV exposure, peaking at a dangerous level of 13 around midday. This heightened UV risk underscores the importance of monitoring UV levels to protect yourself from potential skin damage while enjoying the beautiful Andean landscapes. Being aware of the UV Index allows you to make informed decisions about sun safety, ensuring that you can relish the outdoor beauty of Cajacay without compromising your health.

Hourly UV Index in Cajacay

As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to reach 2 by 08:00. The intensity ramps up significantly as the day progresses, peaking at a striking 13 at 12:00. The sun's rays hit their maximum power between 11:00 and 13:00, with a 12 at 11:00 and lingering at 13 until 12:00. After that, the UV Index starts to decline, dipping to 9 by 14:00 and further down to 5 by 15:00. As evening approaches, the index falls to 2 at 16:00, then returns to a safe 1 at 17:00 before wrapping up the day with a zero reading by 18:00. This pattern underscores the importance of sun safety during those peak hours when the UV Index is highest.

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	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 Cajacay

The UV Index values reveal a consistent trend of extreme UV exposure throughout the year, with the highest levels occurring from January to April. Notably, February and March each peak at a UV Index of 17, making them high-risk months for sun exposure. Throughout this period, even brief sun exposure can lead to skin damage, with a burn time of only 10 minutes. As summer approaches, the Index drops slightly to a maximum of 13 in May and August, but caution remains essential. Visitors and residents are strongly advised to take protective measures—such as wearing sunscreen, hats, and UV-blocking clothing—during these months to minimize health risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Cajacay, Peru

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

The table above highlights how UV exposure in Cajacay 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.

Cajacay'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
Cajacay	16	17	17	16	13	11	12	13	15	16	16	15
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17