UV Index in El Rosario, Peru

Last updated: August 1, 2025

Understanding the UV Index in El Rosario, Peru is essential for protecting your skin and overall health. With a climate characterized as ET (tundra), El Rosario experiences varying UV exposure levels throughout the day, peaking at an intense 13 around noon. Being aware of UV levels not only helps you prevent sunburn but also plays a vital role in long-term skin health. By monitoring the UV Index, residents and visitors alike can better navigate outdoor activities, ensuring safe sun exposure while enjoying the beautiful surroundings of this unique region.

Hourly UV Index in El Rosario

The UV Index today is a testament to the sun's intensity as it peaks during the midday hours. Starting with a gentle maximum of 1 at 7:00 AM, the index rises steadily, reaching 2 by 8:00 AM. As the sun climbs higher, the UV levels become more intense, hitting 5 by 9:00 AM. The real heat is felt at 11:00 AM when the index surges to 12, and it reaches its pinnacle at 12:00 PM and 1:00 PM with a blistering 13. After this, the UV Index begins to decline, dropping to 10 at 2:00 PM and settling to a more moderate level of 6 by 3:00 PM. As the sun begins to set, the index falls sharply once again, landing at 1 by 5:00 PM, and hitting 0 by 6:00 PM, indicating a safe time to enjoy the outdoors without sun protection. Overall, it's crucial to take appropriate sun safety measures during the peak hours to protect your skin from harmful UV rays.

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	6	high	25 min
10:00	10	very high	15 min
11:00	14	extreme	10 min
12:00	15	extreme	10 min
13:00	14	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in El Rosario

Throughout the year, UV Index levels remain consistently high, with an extreme exposure category reported monthly. The highest UV Index readings of 19 occur consistently from January to March, identifying this period as high-risk for harmful sun exposure. Following these months, the UV Index slightly decreases, yet remains elevated with values around 15 to 18 until November. Visitors and residents are advised to adopt protective measures year-round, including wearing UV-blocking sunglasses, applying broad-spectrum sunscreen regularly, and seeking shade, especially during midday hours to avoid sunburn in as little as 10 minutes.

Monthly Maximum UV Index for El Rosario, Peru

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

The table above highlights how UV exposure in El Rosario 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.

El Rosario'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
El Rosario	19	19	19	18	15	12	13	15	17	18	18	18