UV Index in Callalli, Peru

Last updated: August 1, 2025

Understanding the UV Index in Callalli, Peru is crucial for safeguarding your skin health and preventing sunburns during outdoor activities. With the region's climate reflecting the ET zone, Callalli experiences significant UV exposure, particularly during midday when levels peak at an alarming 13. By being aware of the daily UV fluctuations, residents and visitors can take proactive measures to protect themselves from harmful rays. Whether you're hiking in the stunning landscapes or enjoying a sunny day, knowledge of UV levels allows you to enjoy the beauty of Callalli while minimizing health risks.

Hourly UV Index in Callalli

At dawn, the UV Index starts off gently, registering a modest 1 at 7:00 AM. By 8:00 AM, it sees a slight rise to 3, but the real surge begins as the sun climbs higher. At 9:00 AM, the index reaches 6, and by 10:00 AM, it skyrockets to 9. The peak intensity occurs around 12:00 PM, with an impressive 13, making it crucial for sun protection during these hours. As the afternoon progresses, the index gradually declines to 11 at 1:00 PM, 8 at 2:00 PM, and further to 4 by 3:00 PM. The UV exposure tapers off in the late afternoon, dropping to 2 at 4:00 PM, and finally settling back down to 1 by 5:00 PM. By 6:00 PM, the UV Index fizzles out completely, hitting 0, as the sun sets, signaling the end of a high UV day. Stay safe and protect your skin during those 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	4	moderate	30 min
09:00	8	very high	15 min
10:00	12	extreme	10 min
11:00	14	extreme	10 min
12:00	15	extreme	10 min
13:00	13	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 Callalli

Throughout the year, UV Index levels remain consistently extreme, ranging from 14 to 24, highlighting a significant risk of skin damage from sun exposure. The high-risk months—January through April—exhibit the most intense UV levels, with January peaking at 24, followed closely by February and March at 21. Visitors and residents should take immediate precautions during these months, as the burn time is as little as 10 minutes. Even in the subsequent months, although the UV Index slightly decreases, it remains crucial to wear protective clothing, apply broad-spectrum sunscreen, and seek shade when outdoor activities are planned. Always stay informed about the daily UV index to ensure safety throughout the year.

Monthly Maximum UV Index for Callalli, Peru

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

The table above highlights how UV exposure in Callalli 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.

Callalli'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
Callalli	24	21	21	18	14	11	13	15	17	19	20	22