Last updated: July 2, 2025
In Puerto Aysén, Chile, being aware of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels helps prevent sunburn and promotes overall skin health, particularly in a climate that tends to experience moderate UV exposure. Though the UV Index here peaks at 2 during midday hours, even low levels can add up, making it essential for residents and visitors alike to stay informed. With the region's unique Cfc climate, which features cool temperatures and varied cloud cover, the risk of UV exposure can sometimes be underestimated. Stay vigilant, safeguard your skin, and enjoy the beautiful outdoors of Puerto Aysén!
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!
| 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 |
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.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Puerto Aysen | 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 |