Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Laja, Chile, as it provides essential information about the potential risks of sun exposure in this temperate climate. With UV levels peaking between 11:00 AM and 3:00 PM, even a brief outing can result in sunburn and long-term skin damage if precautions aren't taken. Awareness of these UV levels is vital for promoting skin health and preventing harmful effects, especially for families and outdoor enthusiasts who frequent Laja's beautiful landscapes. Stay informed and protected to enjoy the sun safely!
The UV Index throughout the day reveals a gradual increase in sun intensity, peaking mid-afternoon. Starting at 0 at 07:00, the index rises to 1 by 08:00 and remains moderate at 1 for the following hour. As the sun ascends, the intensity reaches 2 by 10:00, climbing further to 3 at 11:00, sustaining this level until 14:00. After this peak, a gentle decline begins, with the index dropping to 2 at 15:00, and gradually easing back to 1 by 17:00, before retreating to 0 by 18:00. For anyone spending time outdoors, the late morning to early afternoon presents the highest UV exposure; thus, caution and sun protection are highly advisable during these hours.
| 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 | 3 | moderate | 30 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Laja | 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 |