UV Index in Arirahua, Peru

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Arirahua, Peru, where the intense sun can significantly impact skin health. With the high-altitude climate characteristic of the BSk zone, UV levels can spike dramatically, particularly during midday, reaching a maximum of 10 between 11:00 AM and 12:00 PM. Awareness of UV levels is essential to prevent sunburn and long-term skin damage, as even short exposure at elevated indices can pose risks. Keep an eye on local UV readings to stay protected while enjoying the sunny days in this beautiful region!

Hourly UV Index in Arirahua

Throughout the day, the UV Index exhibits a distinct peak just before noon. Starting off at a mild 1 at 7:00 AM, it rises steadily, reaching 2 by 8:00 AM. By 9:00 AM, it jumps to 5, and then it surges to an impressive 10 at both 11:00 AM and 12:00 PM, indicating a high level of sun exposure risk. As the afternoon unfolds, the readings dip to 9 at 1:00 PM and subsequently decline further to 6 at 2:00 PM. By 3:00 PM, it drops to 3, and the day winds down with values of 1 at 4:00 and 5:00 PM, before fading to 0 by 6:00 PM and beyond. For optimal sun safety, keep to the shade as the sun peaks!

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	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	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 Arirahua

During the year, UV levels fluctuate significantly, with extremely high levels observed from January through April and consistently high values persisting until November. The high-risk months are particularly pronounced between January and April, where the UV Index remains at 18, indicating extreme exposure with a burn time of just 10 minutes. While June sees a slight dip to a very high index of 10, the trend of high UV levels resumes in July and August before peaking again in October. To safeguard your health, it is imperative that both visitors and residents take precautions during these months, including wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak hours. Staying informed and prepared can help mitigate the risks associated with prolonged sun exposure.

Monthly Maximum UV Index for Arirahua, Peru

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

The table above highlights how UV exposure in Arirahua 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.

Arirahua'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
Arirahua	18	18	17	16	13	10	12	13	15	17	18	18