UV Index in Ayacucho, Peru

Last updated: July 2, 2025

Understanding the UV Index in Ayacucho, Peru is essential for protecting your skin and maintaining overall health. Awareness of UV levels helps residents and visitors alike prevent sunburn and long-term skin damage, especially in a region with a climate classified as Cwb, where sunny days are common. With peak UV readings reaching 13 around noon, understanding these levels is crucial to enjoying the outdoors safely. Ensure you take protective measures during the high-risk hours, particularly from 10 AM to 3 PM, to fully enjoy the beauty of Ayacucho while safeguarding your health.

Hourly UV Index in Ayacucho

As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to reach 2 by 08:00. The intensity ramps up significantly as the day progresses, peaking at a striking 13 at 12:00. The sun's rays hit their maximum power between 11:00 and 13:00, with a 12 at 11:00 and lingering at 13 until 12:00. After that, the UV Index starts to decline, dipping to 9 by 14:00 and further down to 5 by 15:00. As evening approaches, the index falls to 2 at 16:00, then returns to a safe 1 at 17:00 before wrapping up the day with a zero reading by 18:00. This pattern underscores the importance of sun safety during those peak hours when the UV Index is 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	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	12	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 Ayacucho

Throughout the year, the UV Index remains remarkably high, consistently rated between 12 and 19, indicating an extreme exposure category. The high-risk months for UV exposure are from January to April, where the UV Index reaches its peak at 19. Though a slight decrease occurs in May (UV 14) and June (UV 12), July and August still pose significant risk with UV levels of 13 and 15 respectively. Visitors and residents are strongly advised to take precautions year-round, especially during these high-risk months, minimizing direct sun exposure, wearing protective clothing, and applying broad-spectrum sunscreen regularly, as burn time tends to be as short as 10 minutes in these extreme conditions.

Monthly Maximum UV Index for Ayacucho, Peru

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

The table above highlights how UV exposure in Ayacucho 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.

Ayacucho'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
Ayacucho	19	19	19	17	14	12	13	15	16	18	18	18