UV Index in Comas, Peru

Last updated: August 1, 2025

In Comas, Peru, being aware of the UV Index is essential for protecting your skin against harmful ultraviolet rays. Understanding UV levels is crucial not just for preventing sunburns, but also for safeguarding long-term skin health. Located in a Cfb climate zone, Comas experiences significant UV exposure, particularly between 10:00 AM and 2:00 PM, when the UV Index can peak at an intense 13. With such high levels during the midday hours, knowing when to seek shade or apply sunscreen can make all the difference in enjoying the sun safely!

Hourly UV Index in Comas

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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	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 Comas

The seasonal UV changes showcase consistently extreme exposure levels throughout the year, with the highest UV Index recorded between January and April (UV Index 20-17). Visitors and residents should be especially vigilant from January through May, as these months not only exhibit the highest UV levels but also share a critical burn time of just 10 minutes. Despite a slight decrease in UV Index during the summer months, levels remain high (UV Index 12-14), indicating that precautions should be taken year-round. As October through December continues to display a steady UV Index of 18, it is vital for everyone to wear appropriate sun protection, including sunscreen, hats, and sunglasses, regardless of the season.

Monthly Maximum UV Index for Comas, Peru

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

The table above highlights how UV exposure in Comas 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.

Comas'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
Comas	20	19	19	17	15	12	13	14	16	18	18	18