Last updated: July 2, 2025
Understanding the UV Index in La Junta, Chile, is essential for safeguarding your skin health and preventing sunburn. The UV levels here can rise significantly during midday hours, peaking at a moderate 3 between 12:00 PM and 1:00 PM. With La Junta's Cfc climate characterized by cool, wet winters and mild summers, it's crucial to be mindful of UV exposure, especially during peak sunlight hours. By keeping an eye on the UV Index, you can enjoy the outdoors responsibly while protecting your skin from harmful effects. Stay informed and shield yourself from the sun’s rays!
The UV Index throughout the day paints an intriguing picture of solar intensity. Starting early, from 07:00 to 09:00, the index remains at a cozy 0, showing that it's safe to bask in the cool morning air. As the sun climbs higher, it gradually ticks up—reaching 1 by 09:00 and continuing to a peak of 3 at 12:00 and 13:00. This midday sun invites you to enjoy the outdoors, but don’t forget that a little caution is wise! By 15:00, the index starts its descent, falling back to 2 before settling at 1 by 17:00. As dusk approaches, the UV Index drops back to 0, signaling the end of a sun-filled day. Overall, the day's UV exposure reminds us to enjoy the sunlight wisely!
| 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 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 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 |
Throughout the year, the UV Index exhibits significant seasonal variations, with January, February, November, and December being classified as high-risk months, all falling under the extreme exposure category with a rapid burn time of just 10 minutes. As spring approaches in March, the UV Index drops to 9 (very high), allowing for a burn time of 15 minutes, while April sees a further decrease to 6 (high) with a 25-minute burn time. In contrast, May and June present moderate to low UV Index levels (4 and 2 respectively), offering more protection with longer burn times of 30 and 45 minutes. As summer transitions to fall, the index rises again, peaking at 7 (high) in September and falling to 9 in October. To protect yourself during high-risk months, it is crucial for both visitors and residents to apply sunscreen liberally, wear protective clothing, and seek shade when possible, especially during peak hours of sunlight.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| La Junta | 13 | 12 | 9 | 6 | 4 | 2 | 3 | 5 | 7 | 9 | 13 | 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 |