UV Index in Alis, Peru

Last updated: May 3, 2025

In Alis, Peru, the awareness of the UV Index is crucial for safeguarding your skin against the harmful effects of ultraviolet radiation. Understanding the daily UV levels not only aids in sunburn prevention but also plays a vital role in promoting long-term skin health. Given Alis's cool and humid climate, residents and visitors can experience significant UV exposure, especially during peak hours when the Index soars to 15 around noon. By staying informed about the UV Index, you can enjoy the beautiful outdoors while taking the necessary precautions to protect your skin.

Hourly UV Index in Alis

During the early hours of the day, the UV Index remains low, starting at 1 at 7:00 AM. However, as the sun rises higher, a rapid increase in UV exposure occurs, peaking at a striking 15 by noon. This relentless ascent continues to a maximum of 14 at 11:00 AM, making it crucial to take precautions. Throughout the afternoon, the levels gradually decline, dropping to 10 at 2:00 PM and then further to 5 by 3:00 PM. As the sun sets, the UV Index falls back to 1 by 5:00 PM and eventually reaches 0 after 6:00 PM, highlighting the importance of shielding oneself from these midday rays when they're at their strongest.

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	7	high	25 min
10:00	11	extreme	10 min
11:00	14	extreme	10 min
12:00	15	extreme	10 min
13:00	13	extreme	10 min
14:00	10	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 Alis

The UV Index remains consistently extreme throughout the year, with values ranging from 13 to 23. Notably, the highest levels occur in January (23), February (21), and December (21), making these high-risk months for UV exposure, where skin burn time is as little as 10 minutes. Visitors and residents should take precautionary measures during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during midday hours when UV radiation peaks. While UV levels slightly decrease in the summer months, they remain significant, so vigilance is essential year-round.

Monthly Maximum UV Index for Alis, Peru

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

The table above highlights how UV exposure in Alis 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.

Alis'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
Alis	23	21	21	18	15	13	14	15	17	20	20	21