UV Index in Chaiten, Chile

Last updated: June 2, 2025

In Chaiten, Chile, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The UV Index provides valuable insights into the potential risks of harmful ultraviolet radiation, especially during the peak hours of exposure. With a Cfb climate that features cool, damp summers and moderate sunlight, residents and visitors must be aware of varying UV levels throughout the day. Even when the index appears low, such as the readings of 1 to 2 between 9 AM and 2 PM, it's essential to take precautions, as repeated exposure can contribute to long-term skin damage. By staying informed about local UV conditions, you can enjoy the beauty of Chaiten while prioritizing your skin's safety.

Hourly UV Index in Chaiten

The UV Index data reveals a gradual increase in sun intensity throughout the morning, starting from a safe 0 at 07:00 and 08:00. As the day progresses, the index reaches its peak of 2 during midday, specifically at 11:00, 12:00, 13:00, and 14:00—a time when sun protection is advisable. After this peak, the UV levels gently decline to 1 by 15:00 and remain steady until 17:00, before dropping back to 0 in the evening hours at 18:00 and 19:00. This data underscores the importance of being sun-smart during those peak hours!

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	0	low	45 min
09:00	1	low	45 min
10:00	1	low	45 min
11:00	2	low	45 min
12:00	2	low	45 min
13:00	2	low	45 min
14:00	2	low	45 min
15:00	1	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 Chaiten

The UV Index experiences significant seasonal changes, peaking in the winter and late fall months, with extreme levels recorded in January, February, November, and December (UV Index 13), where a burn can occur in just 10 minutes. The high-risk months are predominantly during the late fall, winter, and early spring, particularly from October (UV Index 8) and March (UV Index 9). In contrast, summer months show a moderate to low UV Index, peaking at UV Index 6 in April and September. It is crucial for visitors and residents to take precautions during high-UV months by seeking shade, wearing protective clothing, and using sunscreen, especially during peak hours, to minimize the risk of skin damage.

Monthly Maximum UV Index for Chaiten, Chile

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

The table above highlights how UV exposure in Chaiten 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.

Chaiten'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
Chaiten	13	12	9	6	3	2	3	4	6	8	13	13
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