UV Index in Arauco, Chile

Last updated: June 2, 2025

In Arauco, Chile, understanding the UV Index is crucial for safeguarding your skin and overall health. With high UV levels peaking between 12 PM and 2 PM, awareness of sun exposure can prevent painful sunburns and long-term skin damage. Arauco's Csb climate, characterized by mild temperatures, doesn't negate the risks of UV exposure—especially during the summer months. Equip yourself with the knowledge of the UV Index to enjoy the beautiful outdoors while keeping your skin protected and healthy.

Hourly UV Index in Arauco

Today, the UV Index follows a gradually rising trend, reaching its peak during the midday hours. Starting the day at a minimum of 0 at 07:00, the index climbs to 1 by 08:00 and holds steady until 11:00, where it rises to 2. The sun is at its most intense from 12:00 to 14:00, hitting 3, reminding us to be mindful of sun exposure during these hours. As the afternoon wanes, the index gradually declines to 2 at 15:00, then further dips to 1 by 16:00, before returning to a safe 0 by evening. This gradual fluctuation serves as a reminder to enjoy the sunshine while taking precautions as the day unfolds!

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	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	1	low	45 min
11:00	2	low	45 min
12:00	3	moderate	30 min
13:00	3	moderate	30 min
14:00	3	moderate	30 min
15:00	2	low	45 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 Arauco

Throughout the year, UV exposure varies significantly, with the highest risk months occurring between January and March, where the UV Index reaches extreme levels of 14 in January and December and 13 in February and November. These conditions suggest a burn time of only 10 minutes, making it crucial for visitors and residents to take precautionary measures during these periods. In March, the UV Index drops slightly to 10, still classified as very high, which means a burn time of 15 minutes. As the seasons transition, UV levels decrease to moderate levels from June to August, with burn times of 30 minutes. However, caution is still advised, especially in early fall and late spring when UV radiation can intensify again, peaking at 10 in October and 7 in September. To protect against skin damage, it is essential to wear sunscreen, protective clothing, and seek shade during peak UV times, particularly from January to March and during transitional months.

Monthly Maximum UV Index for Arauco, Chile

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

The table above highlights how UV exposure in Arauco compares to other major locations across Chile. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Arauco's solar exposure compared to other cities in Chile. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Arauco	14	13	10	7	5	3	3	5	7	10	13	14
Santiago UVI	14	12	11	7	5	3	4	6	8	11	12	14
Valparaiso UVI	14	12	11	8	5	4	4	6	8	11	12	14
Vina del Mar UVI	14	12	11	8	5	4	4	6	8	11	12	14
Puente Alto UVI	15	14	12	8	6	4	6	8	11	12	14	15
Antofagasta UVI	15	15	13	10	8	6	7	9	11	14	15	15