UV Index in Puerto Casma, Peru

Last updated: May 3, 2025

In Puerto Casma, Peru, understanding the UV Index is crucial for protecting your skin and overall health. Elevated UV levels, particularly during mid-day hours when readings peak at 11, can quickly lead to sunburn and long-term skin damage, making awareness essential for both residents and visitors. The region's BWh climate indicates a generally warm environment, which, while enjoyable, also comes with increased exposure risks to harmful UV rays. By recognizing the daily fluctuations in UV intensity, you can take proactive steps to safeguard against overexposure and enjoy the sun responsibly.

Hourly UV Index in Puerto Casma

As the day unfolds, the UV Index reaches its peak between 11:00 AM and 12:00 PM, soaring to a striking 11. The morning starts gently, with the index at a modest 1 by 7:00 AM, slowly climbing to 4 by 9:00 AM. The sun then intensifies, pushing the index to a strong 10 at 11:00 AM, signaling it's time to seek shade and protect your skin. By 2:00 PM, it begins to wane, dropping to 8, and further decreases to 5 by 3:00 PM. As the afternoon progresses, the index continues to fall, reaching 2 at 4:00 PM, and finally settling at 1 by 5:00 PM and 0 as the sun sets at 6:00 PM. Stay aware and shield yourself during those crucial midday 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	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 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 Puerto Casma

Throughout the year, UV Index levels fluctuate significantly, with January through April showcasing extreme conditions, peaking at 15 in March. The highest risk months are identified from January to April and October to November, all maintaining an extreme exposure category with a burn time as short as 10 minutes. The UV Index slightly decreases in June and July to a very high level of 10, allowing for a longer burn time of 15 minutes. Visitors and residents should consider these fluctuations when planning outdoor activities, ensuring they use adequate sunscreen, wear protective clothing, and seek shade during peak hours, especially in the high-risk months. Remaining vigilant about sun safety is crucial year-round to mitigate the risks of UV exposure.

Monthly Maximum UV Index for Puerto Casma, Peru

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

The table above highlights how UV exposure in Puerto Casma 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.

Puerto Casma'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
Puerto Casma	14	14	15	13	12	10	10	11	13	14	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