Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Hanga Roa, Chile, where sunshine and clear skies often reign. Being aware of UV levels helps prevent sunburn and promotes long-term skin health, as prolonged exposure can lead to serious conditions. In this Cfa climate zone, the UV exposure is notably intense, particularly during midday hours when the index peaks at 6. With the sun reaching its highest point between noon and 2 PM, it's vital to stay informed and take necessary precautions to safeguard your skin while enjoying the island's beauty.
The UV Index throughout the day exhibits a significant rise, peaking at 6 between 1 PM and 2 PM. Mornings start off with minimal exposure, as the index remains at 0 until 7 AM. By 8 AM, it climbs to 1, gradually reaching 2 by 10 AM. The afternoon sun intensifies exposure, with a steady increase to 3 at 11 AM, and then a notable jump to 5 at noon. After its peak, the UV Index begins to decline, dropping to 4 by 3 PM and further to 1 by 6 PM, before settling back at 0 by 7 PM. It's a reminder to stay protected during the midday hours when UV radiation is at its strongest!
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 | 5 | moderate | 30 min |
13:00 | 6 | high | 25 min |
14:00 | 6 | high | 25 min |
15:00 | 4 | 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 |