UV Index in Chaca, Peru

Last updated: July 2, 2025

Understanding the UV Index is crucial for protecting your skin in Chaca, Peru, where the high altitude and BSk climate expose residents and visitors to varying levels of ultraviolet radiation. Being aware of UV levels not only helps in preventing sunburn but also plays a key role in maintaining long-term skin health. With peak UV Index readings soaring to a striking 13 around midday, it's essential to stay informed and take protective measures during those sunny days, as Chaca’s climate presents unique risks for sun exposure throughout the year.

Hourly UV Index in Chaca

As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to reach 2 by 08:00. The intensity ramps up significantly as the day progresses, peaking at a striking 13 at 12:00. The sun's rays hit their maximum power between 11:00 and 13:00, with a 12 at 11:00 and lingering at 13 until 12:00. After that, the UV Index starts to decline, dipping to 9 by 14:00 and further down to 5 by 15:00. As evening approaches, the index falls to 2 at 16:00, then returns to a safe 1 at 17:00 before wrapping up the day with a zero reading by 18:00. This pattern underscores the importance of sun safety during those peak hours when the UV Index is 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	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	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 Chaca

Throughout the year, UV Index levels remain alarmingly high, fluctuating between 12 and 19, all categorized as extreme. The high-risk months for UV exposure are consistently from January to April, where UV Index values peak at 18 or 19, resulting in a burn time of just 10 minutes. As summer approaches, a slight decrease is noted, particularly in June and July with values dipping to 12 and 13, before rising slightly again in August and September. For visitors and residents, it is imperative to take precautionary measures year-round, including using high-SPF sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours to mitigate the severe risks associated with excessive UV exposure.

Monthly Maximum UV Index for Chaca, Peru

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

The table above highlights how UV exposure in Chaca 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.

Chaca'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
Chaca	18	19	19	17	14	12	13	14	16	18	18	18