Last updated: June 2, 2025
Understanding the UV Index in Chillán, Chile is crucial for safeguarding your skin and overall health, especially under the region’s Mediterranean climate that features significant sunshine. Knowledge of UV levels helps you gauge the risk of sunburn and encourages proactive measures for skin protection. Throughout the day, Chillán typically experiences moderate UV exposure, peaking at 3 during the noon hours. By being aware of these fluctuations, you can enjoy the sunny days while minimizing the risks associated with excessive UV radiation. Protect your skin to ensure many more sunny days ahead in this beautiful location!
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!
| 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 |
Throughout the year, UV levels exhibit significant seasonal variability, with the highest risks occurring during the winter and late fall months. January and December both record an extreme UV Index of 14, with a burn time of just 10 minutes, making these months particularly hazardous for sun exposure. February follows closely with a UV Index of 13. The high-risk months for UV exposure are thus identified as November through March, when UV levels remain consistently extreme to very high (UV Index 10 or above). Residents and visitors should take precautionary measures during these months, such as wearing protective clothing, utilizing sunscreen, and seeking shade, especially during midday hours when sun intensity peaks. As the year progresses into June, July, and August, the UV Index drops to moderate levels, allowing for safer outdoor activities, but still necessitating basic sun safety practices.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chillan | 14 | 13 | 10 | 7 | 5 | 3 | 4 | 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 |