UV Index in Coasa, Peru

Last updated: May 3, 2025

In Coasa, Peru, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent sunburn and long-term skin damage, making it essential for both locals and visitors. Coasa’s high-altitude climate (ET zone) exposes residents to intensified UV radiation, especially during peak hours from 10 AM to 2 PM when the UV Index can soar to 13—a level that necessitates immediate sun safety measures. Stay informed and shield yourself from the sun’s harmful effects while enjoying the stunning landscapes of this vibrant region!

Hourly UV Index in Coasa

Today’s UV Index presents a dramatic rise and fall throughout the day, peaking during midday hours. Starting at a low 1 at 7:00 AM, the index rapidly climbs to 4 by 8:00 AM, marking the start of increased sun intensity. As the sun ascends, we reach 7 at 9:00 AM, but the real intensity kicks in as we hit 10:00 AM with a staggering 11. By 11:00 AM and 12:00 PM, the UV Index peaks at an impressive 13, indicating a high risk of harm from unprotected sun exposure. Following this zenith, the UV levels dip gracefully, descending back to 7 at 2:00 PM, and tapering off to a modest 1 by 4:00 PM. The sun’s intensity fades completely as evening approaches, bringing the index to a soothing 0 by 6:00 PM. Be sure to plan your outdoor activities wisely, especially during that peak period!

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	4	moderate	30 min
09:00	7	high	25 min
10:00	11	extreme	10 min
11:00	13	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	7	high	25 min
15:00	4	moderate	30 min
16:00	1	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 Coasa

Throughout the year, the UV Index consistently remains high, showcasing extreme levels of UV radiation from January to December. The months with the highest UV readings—January, February, March, and November—each record a UV index of 20. All months experience a burn time of just 10 minutes, signaling an urgent need for protective measures. Notably, while UV levels begin to decline slightly in June and are consistently high through the summer into October, visitors and residents are advised to exercise caution year-round. During these extreme conditions, it's crucial to wear sunscreen, protective clothing, and sunglasses to minimize the risk of skin damage. Staying in the shade during peak hours will also help safeguard against harmful UV exposure.

Monthly Maximum UV Index for Coasa, Peru

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

The table above highlights how UV exposure in Coasa 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.

Coasa'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
Coasa	20	19	20	17	13	11	12	15	18	19	20	20