UV Index in Callayuc, Peru

Last updated: July 2, 2025

In Callayuc, Peru, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is vital for preventing sunburn and minimizing long-term skin damage, especially in a region where the climate is categorized as Cwb—characterized by cool temperatures and a high altitude that can intensify UV exposure. With peak UV Index values reaching 13 during midday hours, residents and visitors alike should take precautions to shield themselves from harmful rays, ensuring they enjoy all the beauty Callayuc has to offer while keeping their skin safe.

Hourly UV Index in Callayuc

As the sun rises over the horizon, the UV Index starts low at 1 by 7:00 AM, gradually ramping up to 2 by 8:00 AM. However, by 9:00 AM, it takes a significant leap to 4, with intensity peaking at a notable 13 by 12:00 PM. The midday sun brings the highest risk, striking 11 at 11:00 AM, followed closely by 12 at 1:00 PM. The intensity begins to wane as the afternoon progresses, dipping to 10 at 2:00 PM, then gently declining to 7 by 3:00 PM. As the sun sets, the index drops to 1 by 5:00 PM, and ultimately fades away to 0 after 7:00 PM. It's a day of vibrant sunshine, and while the midday hours call for caution, the gradual descent of UV radiation offers a pleasant evening breeze.

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	11	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 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 Callayuc

The UV Index shows extreme levels throughout the year, with notably high risk from January to April when values peak at 17-18 and a consistent exposure category of extreme with a burn time of just 10 minutes. As the months progress into the summer, the UV Index slightly decreases, remaining in the 12-13 range from June to August, yet still classified as extreme. The index rises again in September and maintains high values through October and November. For both residents and visitors, it is crucial to take protective measures against sun exposure during these high-risk months, particularly in the early part of the year and during late summer, as even brief exposure can lead to severe sunburn. Prioritize wearing sunscreen, protective clothing, and seeking shade to mitigate the risk of harmful UV effects.

Monthly Maximum UV Index for Callayuc, Peru

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

The table above highlights how UV exposure in Callayuc 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.

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