Last updated: May 3, 2025
In Puerto Natales, Chile, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels not only helps in preventing painful sunburns but also plays a vital role in reducing the risk of long-term skin damage. This stunning Patagonian town, characterized by its cool maritime climate, typically experiences low UV exposure during much of the day, peaking only around mid-afternoon with a maximum index of 2. By being informed about the daily UV fluctuations, residents and visitors alike can enjoy the beautiful outdoors while safeguarding their skin from potential harm.
The UV Index data reveals a gradual increase in solar intensity throughout the day, beginning with a low level of 0 at dawn. As the clock ticks towards midday, the index rises to 1 by 10:00 AM, signaling the first hints of sunlight’s power. By 1:00 PM, the UV Index peaks at a moderate level of 2, remaining steady into the afternoon before gradually tapering off. As the sun begins to set at around 7:00 PM, the index dips back down to 0, marking the end of a day characterized by mild solar exposure. It’s wise to gear up with protection during those midday hours if you’re venturing outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 0 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 1 | low | 45 min |
| 12:00 | 1 | low | 45 min |
| 13:00 | 2 | low | 45 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 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, indicating varying risks for sun exposure. January and November are notably high-risk months with an UV Index of 11 and 12, respectively, categorized as extreme, where individuals can burn in just 10 minutes. February follows closely with a very high index of 10, resulting in a burn time of just 15 minutes. As spring arrives in March, the risk lowers to high with a UV Index of 7 and a burn time of 25 minutes. As the summer months set in, the UV Index decreases to low levels in June and July, allowing a more extended burn time of 45 minutes. Conversely, October and December see a resurgence in UV levels, pushing back into the very high and extreme categories, warranting caution. Residents and visitors should protect themselves during high-risk months by using sunscreen, wearing protective clothing, and seeking shade when the sun is at its peak.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Puerto Natales | 11 | 10 | 7 | 4 | 2 | 1 | 2 | 4 | 4 | 8 | 12 | 11 |
| 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 |