UV Index in Yanahuaya, Peru

Last updated: June 2, 2025

In Yanahuaya, Peru, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels allows residents and visitors alike to take appropriate precautions against harmful radiation, particularly during peak exposure times. Nestled in a Cfb climate zone, Yanahuaya experiences significant variations in UV intensity throughout the day, with midday levels often reaching 11—a critical threshold for skin protection. By staying informed about the UV Index, you can enjoy the sun safely while protecting yourself from its damaging effects.

Hourly UV Index in Yanahuaya

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 Yanahuaya

Throughout the year, UV levels remain consistently high, with the UV Index seldom dropping below 11, categorizing the exposure as extreme. The highest risk months occur from November to March, where values peak at 19 in December and remain at 18 between January and February, resulting in an exceptionally short burn time of just 10 minutes. As the year progresses, while the index decreases slightly in April and June, it never falls to a safe level, revised back to 18 in October. It is crucial for both visitors and residents to take preventive measures during these high-risk months, emphasizing the use of sunscreen, protective clothing, and seeking shade to minimize harmful UV exposure year-round.

Monthly Maximum UV Index for Yanahuaya, Peru

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

The table above highlights how UV exposure in Yanahuaya 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.

Yanahuaya'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
Yanahuaya	18	18	18	16	13	11	12	13	17	18	18	19