Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Arauco, Chile, a region characterized by its unique Csb climate. Being aware of the UV levels is essential for preventing sunburn and promoting overall skin health, as exposure to high UV radiation can lead to long-term skin damage. Throughout the day, particularly between 12:00 PM and 3:00 PM, Arauco experiences a moderate UV Index peaking at 3, which signifies an elevated risk of harm from unprotected sun exposure. By keeping an eye on the UV Index, you can better protect yourself and enjoy the beautiful Arauco landscapes safely.
The UV Index starts low at 07:00, peaking at just 0 before gradually rising. By 10:00, it climbs to 2, indicating a moderate level of UV exposure. The sun reaches its zenith from 12:00 to 14:00, where the UV Index holds a steady 3, suggesting that precautions like sunscreen and protective clothing are advisable. As the afternoon wanes, 15:00 sees a slight drop back to 2. Post 16:00, the UV levels decline further, returning to 1 by 17:00 and finally 0 again after 18:00. Overall, this early day provides a manageable UV exposure, but midday vigilance is key for outdoor activities!
| 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 | 2 | 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 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.
UV Risk Categories
| 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 |