UV Index in Alayo, Peru

Last updated: June 2, 2025

In Alayo, Peru, understanding the UV Index is crucial for maintaining skin health and preventing sunburns. With its high-altitude climate characterized by an ET (Tundra) classification, residents and visitors alike are exposed to significant UV radiation, especially during midday hours when the index can reach a maximum of 12. As the sun climbs towards its peak, awareness of UV levels becomes essential for safeguarding your skin against harmful rays. Given that UV exposure risks elevate dramatically from 10 AM to 2 PM, being informed and taking preventive measures can make a considerable difference in your outdoor enjoyment and long-term skin health.

Hourly UV Index in Alayo

As the day unfolds, the UV Index begins to rise steadily, peaking at 12 around noon, indicating a high risk of harm from unprotected sun exposure. Starting from a mild 1 at 07:00, it climbs to 2 by 08:00, then surges to a significant 9 by 10:00. The intensity continues to escalate, reaching its maximum at 11 by 11:00, just before noon. After a slight dip to 8 by 14:00, the UV Index begins its gradual decline, dropping to 2 by 16:00, and finally resting at 0 by 18:00—a clear indication that the sun's rays are no longer a concern. To protect your skin, it's crucial to seek shade and apply sunscreen 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	2	low	45 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	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 Alayo

Throughout the year, the UV Index remains notably high, reflecting an extreme exposure category from January to May, with values peaking between 20 and 19. The high-risk months predominantly include January through April, where the burn time is just 10 minutes for unprotected skin. Even during the summer months of June, July, and August, the UV Index remains elevated, with readings between 12 and 15. The UV exposure gradually decreases but stays significant well into the fall and winter months, continuing with high values of 18 from October to December. Therefore, visitors and residents should take precautions throughout the year, such as wearing protective clothing, applying sunscreen, and seeking shade to minimize skin damage, especially during these high-risk months.

Monthly Maximum UV Index for Alayo, Peru

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

The table above highlights how UV exposure in Alayo 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.

Alayo'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
Alayo	20	19	19	17	15	12	13	15	17	18	18	18