UV Index in Mariatana, Peru

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Mariatana, Peru, where the sun shines brightly in a BSk climate. As the UV levels can peak at a striking 12 during midday, being informed about these levels is essential for preventing sunburn and promoting overall skin health. Taking precautions against high UV exposure can help safeguard against the long-term effects of sun damage. With typical risks peaking around 11 AM to 1 PM, knowing how to protect yourself is vital in ensuring a safe and enjoyable time outdoors in this sun-soaked region.

Hourly UV Index in Mariatana

As the sun rises, the UV Index begins its gentle ascent starting from 1 at 07:00. By 09:00, it climbs to a moderate 4, signaling a need for some sun safety. The heat of the day reaches its peak around 12:00, where the index soars to an intense 12, urging everyone to seek shade and apply sunscreen. Throughout the afternoon, it gradually descends, with readings of 11 at 13:00, 8 at 14:00, and 5 at 15:00. By the evening, the UV threat diminishes significantly, dropping to 2 by 16:00, and falling to 1 by 17:00. Finally, as night approaches, the index retreats to 0 by 18:00, offering a gentle reminder of sun safety throughout the day.

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	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	9	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 Mariatana

Throughout the year, the UV Index remains alarmingly high in this region, consistently categorized as extreme. The highest values are recorded during the months of January through April and November, with a UV Index of 17, indicating a burn time of just 10 minutes. Even during June and July, the index hovers around 11 to 12, which still presents a significant risk. The transition into fall sees a slight increase again in September and October to 15 and 16, respectively. Given these extreme levels, it is crucial for both visitors and residents to take appropriate precautions year-round, including using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours. Staying informed about the UV Index will be essential in minimizing skin damage and ensuring a safe outdoor experience.

Monthly Maximum UV Index for Mariatana, Peru

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

The table above highlights how UV exposure in Mariatana 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.

Mariatana'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
Mariatana	17	17	16	15	13	11	12	13	15	16	17	16
Arequipa UVI	18	17	17	15	12	10	11	13	15	17	18	17