Last updated: May 3, 2025
In Hanga Roa, Chile, understanding the UV Index is crucial for maintaining skin health and preventing sunburn, especially amidst the region's Cfa climate characterized by warm and sunny conditions. As UV levels can peak significantly—reaching a maximum of 6 during midday—being aware of the daily UV exposure risks helps residents and visitors alike take the necessary precautions. Whether planning outdoor activities or simply soaking in the picturesque scenery, staying informed about the UV Index can protect your skin from harmful effects while enjoying the beautiful landscapes of Hanga Roa.
From 07:00 to 08:00, the UV Index remained at a comfortable 0-1, indicating minimal risk for sun exposure. As the day progressed, conditions began to change, with a slight increase to 2 by 10:00. The UV Index peaked at 6 between 12:00 and 14:00, suggesting a moderate to high risk, where protective measures like sunscreen and protective clothing are essential. As afternoon rolled into late evening, the readings began to drop, falling to 5 at 15:00, then tapering off to 3 by 16:00. Finally, the UV levels returned to a safer range of 1 by 18:00, and dropped back to 0 by 19:00, marking the end of a day where caution was key during midday hours. Remember, even on lower UV index days, it's always smart to stay aware and protect your skin!
| 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 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels show significant seasonal variation, with high-risk months primarily occurring from January to March and October to December when indices peak at 14-15, classified as extreme exposure with a burn time of just 10 minutes. April and August also present high risks with values around 10 and 8, respectively, categorized as very high. May and July have moderate risk scores of 7 and 6, hence offering relatively safer options for outdoor activities, while June sees a drop to 5, indicating a moderate exposure category, allowing for 30 minutes before burning. Visitors and residents should take precautionary measures during high-risk months, ensuring they apply sunscreen generously, seek shade, and wear protective clothing to minimize UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Hanga Roa | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 12 | 14 | 14 |
| Antofagasta UVI | 15 | 15 | 13 | 10 | 8 | 6 | 7 | 9 | 11 | 14 | 15 | 15 |