UV Index in Colca, Peru

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Colca, Peru, where the unique Cfb climate can lead to variable sun exposure. A higher UV Index indicates an increased risk of harm from unprotected sun exposure; knowing these levels is vital for preventing sunburn and promoting long-term skin health. Typically, UV levels peak around midday, with values reaching a concerning 13 at noon, highlighting the importance of sun safety measures, even in this cooler climate. By staying informed about UV levels, you can enjoy the breathtaking landscapes of Colca while taking the necessary precautions to protect your skin.

Hourly UV Index in Colca

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 Colca

The UV Index in this region showcases extreme levels throughout the year, with particularly high values from January to April (ranging from 18 to 19) as well as in October and November. March and February present the highest UV Index at 19, marking these as critically high-risk months for sun exposure. As a result, it is essential for both visitors and residents to take precautions during these months, including seeking shade, wearing protective clothing, and applying sunscreen frequently. Although the UV Index remains high into the summer months, with readings between 11 to 14, consistent awareness and protection are advised throughout the year to avoid skin damage.

Monthly Maximum UV Index for Colca, Peru

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

The table above highlights how UV exposure in Colca 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.

Colca'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
Colca	18	19	19	17	14	11	13	14	16	18	18	18