UV Index in Arma, Peru

Last updated: July 2, 2025

In Arma, Peru, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels plays a vital role in sunburn prevention, reducing the risk of long-term skin damage, and promoting healthier outdoor experiences. With a climate characterized as arid (BWk), Arma often experiences elevated levels of UV exposure, peaking in the early afternoon with an impressive index of 14. This stark rise in UV intensity from mid-morning to early afternoon emphasizes the importance of being sun-smart and proactive in your sun protection efforts.

Hourly UV Index in Arma

As the day unfolds, the UV Index makes a notable journey. Beginning at a modest 1 at 07:00, the intensity ramps up swiftly. By 09:00, it hits 5, but the real peak arrives at 12:00 with a powerful 14, signaling the need for sun protection. The sun reaches its zenith at 11:00 with a 12, and a slight decline occurs as we move into the afternoon, dropping to 10 by 14:00. Gradually, the UV levels retreat, falling to 6 at 15:00, and further down to 3 by 16:00. Finally, relief comes as the sun begins to set, with the index sinking to 1 at 17:00 and 0 by 18:00, marking the end of a day filled with vibrant solar energy.

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	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 Arma

Throughout the year, the UV Index remains notably high, with extreme exposure levels recorded from January to April, where values hover between 19 and 20 and minimum burn times are as quick as 10 minutes. May sees a slight dip to 15, but June marks a gradual decline to 12, before climbing again in July and August with values of 14 and 15, respectively. Following this, September and October witness an increase to 17 and 19, while November and December maintain the extreme classification at 19. Given this data, visitors and residents are advised to exercise caution during these high-risk months, particularly from January through April and again in October through December, ensuring they use adequate sun protection such as sunscreen, hats, and sunglasses to minimize skin damage.

Monthly Maximum UV Index for Arma, Peru

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

The table above highlights how UV exposure in Arma 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.

Arma'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
Arma	19	20	19	18	15	12	14	15	17	19	19	19