Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Tramagal, Portugal, especially given the region's Csa climate, which results in warm summers and ample sunshine. Being aware of UV levels is essential for preventing sunburn and maintaining skin health, as prolonged exposure can lead to serious skin conditions. Throughout the day, you'll notice a significant rise in UV intensity, peaking at 10 between 12:00 PM and 2:00 PM, posing greater risks for sun exposure. By staying informed and taking precautions, you can enjoy the beautiful Tramagal sun safely.
The UV Index for the day showcases a striking ascent in intensity, peaking during the afternoon hours. Starting from a low of 1 at 07:00 and 08:00, the index swiftly climbs to reach 3 by 09:00. By 10:00, it escalates to a moderate 5, but the real surge occurs between 11:00 and 14:00, hitting a maximum of 10—indicating a high risk of harm from unprotected sun exposure. As the day progresses, the UV Index gradually drops, retracting to 4 by 17:00 and further declining to 1 by 19:00. It's crucial 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 | 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 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal variations, with high-risk months identified from March through September. In this period, the UV Index reaches its peak in June at 11 (extreme), demanding vigilance due to a burn time of just 10 minutes. Visitors and residents should take precautions, especially in April, May, June, and July, when the UV levels are categorized as very high and the recommended burn time is reduced to 15 minutes. It is advisable to wear sunscreen, seek shade, and don protective clothing during these months to minimize skin damage. Conversely, during the months of January, November, and December, the UV Index is categorized as moderate, allowing for more extended sun exposure of around 30 minutes without immediate risk. However, caution should still be exercised 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 |
| Tramagal | 3 | 4 | 6 | 8 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| 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 |