Last updated: May 3, 2025
Understanding the UV Index in Agua de Pena, Portugal is essential for protecting your skin and maintaining overall health. The UV Index serves as a clear indicator of sun exposure levels, helping residents and visitors alike take necessary precautions against sunburn and long-term skin damage. With a climate classified as Csb, characterized by mild, wet winters and warm, dry summers, Agua de Pena experiences varying UV levels throughout the day. During peak hours, particularly from 12:00 PM to 2:00 PM, the UV Index often climbs to 11, indicating an extreme risk of harm from unprotected sun exposure. Staying informed about the UV Index can empower you to enjoy the sunny outdoors safely!
As the sun rises, the UV Index gradually climbs throughout the morning, peaking at a moderate 1 at 07:00 and staying steady until it hits 2 by 09:00. The real intensity, however, begins around 10:00, reaching 3, and suddenly surges to a striking 8 at noon. From 13:00 to 15:00, the UV Index reaches its maximum of 11, signifying a high risk of harm from unprotected sun exposure. Fortunately, this peak subsides in the late afternoon, dropping to 6 by 17:00 and gently tapering off to a safer 2 by 19:00. It’s essential to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, ultraviolet (UV) exposure fluctuates significantly, necessitating awareness among residents and visitors. From January to April, the UV Index begins to rise, starting at a moderate level of 4 and peaking at 10 in April, indicating a shift to very high exposure. The months of May through August present the highest risk, with the UV Index consistently at an extreme 11, where the burn time reduces to just 10 minutes. Following this peak, September and October see a slight decrease, with the UV Index returning to 10 and 8, respectively, both still classified as very high. By November and December, levels drop back down to high and moderate categories with indices of 6 and 4, allowing for safer outdoor activities but still requiring caution. Residents and visitors should take protective measures, especially during the high-risk months of May to August, by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of UV damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Braga UVI | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 2 |
| Porto UVI | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 2 |
| Amadora UVI | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Lisbon UVI | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Setubal UVI | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Agua de Pena | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |