UV Index in San Juan de Iris, Peru

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of San Juan de Iris, Peru, where the combination of high altitude and a BSk climate results in intense sun exposure. With UV levels reaching their peak between 10 AM and 2 PM, awareness of these fluctuations can significantly aid in preventing sunburns and protecting skin health. As UV Index levels soar to 12 and 13 during midday, being mindful of sun safety measures is essential for enjoying the beautiful, sunny days while safeguarding your skin from harmful rays.

Hourly UV Index in San Juan de Iris

Throughout the day, the UV Index experiences a notable ascent, peaking at 13 between 12:00 PM and 1:00 PM, signaling a potential for strong sun exposure. The morning starts off gently with a maximum of only 1 at 7:00 AM, then advances to 5 by 9:00 AM. Sun-seekers should be cautious as the index soars to 12 by 11:00 AM, indicating high risk for harm from unprotected sun exposure. After its zenith, the index gradually declines to 8 at 2:00 PM, then follows with a steady decrease to 0 by 7:00 PM, marking the end of intense UV exposure. As the day wraps up, it's clear that midday sun is best approached with protection in place!

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	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 San Juan de Iris

The UV Index exhibits extreme levels of exposure year-round, with values frequently peaking between 19 and 20. The highest risk months are January, February, March, and November when the UV Index consistently reaches 20, indicating a burn time of just 10 minutes. Even during the summer months, such as June to August, the UV Index remains notably high, ranging from 13 to 15. Therefore, it is crucial for both visitors and residents to take necessary precautions throughout the year, especially in the peak UV months. Wearing sunscreen, protective clothing, and limiting sun exposure during peak hours are essential steps to safeguard against harmful UV radiation.

Monthly Maximum UV Index for San Juan de Iris, Peru

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

The table above highlights how UV exposure in San Juan de Iris 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.

San Juan de Iris'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
San Juan de Iris	20	19	20	18	14	13	14	15	17	18	20	18