UV Index in Santa Ana, Peru

Last updated: May 3, 2025

In Santa Ana, Peru, understanding the UV Index is crucial for protecting your skin from the sun’s harmful rays. With peak UV levels reaching a striking 15 around midday, it's essential to be aware of how these fluctuations can affect your skin health and contribute to sunburn. The town's ET climate further amplifies UV exposure, making it vital for residents and visitors alike to stay informed and take preventative measures. By keeping an eye on the UV Index, you can enjoy the sun while minimizing the risks associated with overexposure.

Hourly UV Index in Santa Ana

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 Santa Ana

Throughout the year, UV Index levels remain consistently high, categorizing exposure as extreme. January through April sees the highest values, peaking at 23, indicating a 10-minute burn time for unprotected skin. Even as we move into May to August, while the index decreases to a minimum of 13, the risk remains significant, with 10 minutes still representing the time frame for potential burns. September and October return to 20, with November and December slightly lower at 21. Given this data, it is crucial for both visitors and residents to take stringent sun protection measures year-round, particularly during the high-risk months from January to April, and to remain vigilant even in the late fall and winter months. Wearing sunscreen, protective clothing, and seeking shade are all essential steps to ensure outdoor safety.

Monthly Maximum UV Index for Santa Ana, Peru

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

The table above highlights how UV exposure in Santa Ana 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.

Santa Ana'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
Santa Ana	23	23	22	20	15	13	14	16	18	20	21	21