UV Index in Coyhaique, Chile

Last updated: July 2, 2025

In Coyhaique, Chile, understanding the UV Index is essential for safeguarding your skin and overall health. Awareness of UV levels helps in preventing sunburn and long-term skin damage, making it a crucial factor for outdoor enthusiasts and residents alike. Given Coyhaique's Cfc climate, which features cool summers and frequent cloud cover, many might underestimate the UV exposure risks. However, even on overcast days, harmful UV rays can penetrate the clouds, so staying informed about the UV Index—especially during peak hours—ensures you can enjoy the stunning landscapes while keeping your skin protected.

Hourly UV Index in Coyhaique

The UV Index throughout the day displays a gradual increase in intensity, peaking in the midday hours. Starting at a 0 from 07:00 to 08:00, the index begins its ascent at 09:00, reaching a mild 1. By 11:00, it rises to a moderate 2, maintaining this level until 15:00—the sun's rays are definitely felt during this time! As the afternoon drifts into evening, a gentle decline is observed, with the index dropping back to 1 by 16:00 and fading to 0 from 18:00 onwards. This hourly pattern serves as a reminder to stay sun-safe, especially during the peak UV 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	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 Coyhaique

The UV Index experiences significant seasonal fluctuations, with the highest risk months occurring in January, February, and November when the index reaches extremes of 13 and 11, indicating a very short burn time of only 10 minutes. Moving into spring, the risk decreases in March, with a UV Index of 8 (very high), while April and May see more moderate levels of 5 and 3, allowing for longer exposure times of 30 minutes and 30 minutes, respectively. As summer arrives, the UV Index drops to low levels of 2 in June and July, providing safer conditions for outdoor activities, though it increases to 4 in August (moderate). Fall brings a resurgence of UV risk, especially in September (high, index 6) and again in October (very high, index 9). Residents and visitors should take extra precautions during the high-risk months, using sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure, especially during peak hours.

Monthly Maximum UV Index for Coyhaique, Chile

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

The table above highlights how UV exposure in Coyhaique 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.

Coyhaique'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
Coyhaique	13	11	8	5	3	2	2	4	6	9	11	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