Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Portel, Portugal, where the sun can be both a friend and a foe. With its Mediterranean climate (Csa), residents experience a warm climate characterized by high UV exposure, particularly during peak hours. Recognizing the significance of UV levels is essential not just for preventing painful sunburns but also for ensuring long-term skin health. Throughout the day, the UV Index in Portel can soar to a maximum of 10, highlighting the importance of sun safety practices to protect against harmful UV radiation. Stay informed and enjoy the sun safely!
Throughout the day, the UV Index showcases a striking progression in intensity. Starting from a mild level of 1 at 7:00 AM, it gradually climbs, reaching 3 by 9:00 AM. As the sun rises higher, the index peaks at an impressive 10 between 1:00 PM and 2:00 PM, indicating the highest risk for skin damage. Following this midday surge, it gently tapers off, dipping back to 5 by 5:00 PM and finally settling at 1 as dusk approaches at 7:00 PM. This data highlights the importance of sun protection during peak hours, especially from 11:00 AM to 2:00 PM when UV exposure can be most harmful.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 9 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 10 | very high | 15 min |
15:00 | 9 | very high | 15 min |
16:00 | 7 | high | 25 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
As the seasons change, so too does the UV Index, which indicates the potential for skin damage due to solar radiation. High-risk months for UV exposure occur from March to September, peaking in June with an extreme UV Index of 11, where burn time is as little as 10 minutes. Visitors and residents are advised to take extra precautions during these months, including wearing sunscreen, protective clothing, and sunglasses, particularly during midday hours. A significant drop in UV exposure occurs from October to February, where the levels generally remain moderate to high, and burn times increase to 30 minutes in January and November. Staying informed about the UV Index can help ensure safe outdoor activities throughout the year.
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 |
Portel | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 6 | 4 | 3 |