UV Index in Imperial, Peru

Last updated: May 3, 2025

In Imperial, Peru, understanding the UV Index is crucial for protecting your skin from harmful UV radiation. With peak UV levels soaring to 11 around midday, awareness can make a significant difference in preventing sunburn and maintaining overall skin health. The region's BWh climate often exposes residents and visitors alike to intense sunlight, particularly between 10 AM and 2 PM when UV levels are at their highest. By staying informed about the UV Index, you can enjoy the sun safely while minimizing the risks associated with prolonged exposure.

Hourly UV Index in Imperial

At 7:00 AM, the UV Index begins its climb with a gentle 1, slowly rising to 2 by 8:00 AM. As the sun gains strength, it peaks at an impressive 11 between 11:00 AM and 12:00 PM, marking the height of midday intensity. Just after noon, the index slightly dips to 10 at 1:00 PM, then gradually falls through the afternoon—dropping to 4 by 3:00 PM. As the day wanes, the UV Index continues its descent, reaching 2 at 4:00 PM, and finally settling to 1 at 5:00 PM. By 6:00 PM, it's a safe 0, with no UV exposure anticipated for the evening. This pattern highlights the essential need for sun protection during midday hours when the UV levels are at their 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	8	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	4	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 Imperial

The UV Index shows significant seasonal variation, with extreme levels persisting from January to April and notable spikes returning in the fall months of September, October, and November. The high-risk months (with a UV Index of 15 or higher) are January through April and November, indicating a consistent risk for sunburn with a burn time as short as 10 minutes during these periods. Even in the summer months of June through August, options remain elevated but shift slightly to very high, allowing a slightly longer exposure of 15 minutes in June before returning to a 10-minute burn time. Visitors and residents should exercise caution, particularly during high UV Index periods, by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours to minimize skin damage and health risks.

Monthly Maximum UV Index for Imperial, Peru

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

The table above highlights how UV exposure in Imperial 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.

Imperial'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
Imperial	15	16	15	14	11	10	11	12	14	15	16	15
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17