UV Index in Juliaca, Peru

Last updated: June 2, 2025

Understanding the UV Index in Juliaca, Peru is essential for maintaining skin health and preventing sunburn. With the city’s unique ET climate, residents and visitors alike face varying UV levels throughout the day, peaking at an index of 11 around noon. This high reading indicates a significant risk of harm from unprotected sun exposure, making it crucial to be aware of these levels. By monitoring the UV Index, you can better protect yourself from adverse effects and enjoy the sunny days while keeping your skin safe!

Hourly UV Index in Juliaca

As the sun rises, the UV Index climbs steadily, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it reaches 3, marking the beginning of increased sun exposure. The day continues to heat up, with the index peaking at a remarkable 11 from 11:00 AM to 12:00 PM, indicating a high risk for harm from unprotected sun exposure. As the afternoon sets in, it gradually declines, dropping to 6 by 2:00 PM and subsequently to 3 by 3:00 PM. As the sun begins to descend, the index returns to a safer 1 by 4:00 PM and tapers off to 0 after 6:00 PM. This hourly trend underscores the importance of sun protection during the midday hours when the UV exposure is at its 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	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 Juliaca

Throughout the year, UV Index levels show significant seasonal variation, consistently remaining in the extreme exposure category. Notably, the highest UV Index occurs from January to April, ranging from 19 to 20, indicating that these months are high-risk periods for skin damage with a minimum burn time of just 10 minutes. May through August sees slightly lower indices, from 11 to 14, but still categorizes as extreme, maintaining the 10-minute burn time. The sun intensity rises again in September, peaking at 16, and remains high through November and December at 19. Visitors and residents are strongly advised to take strict sun protection measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours, to mitigate the risk of skin damage during these high-risk months.

Monthly Maximum UV Index for Juliaca, Peru

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

The table above highlights how UV exposure in Juliaca 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.

Juliaca'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
Juliaca	19	20	18	17	13	11	12	14	16	19	19	19